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  • Sailboat Guide

O'Day 25

O'Day 25 is a 24 ′ 10 ″ / 7.6 m monohull sailboat designed by Raymond Hunt (C.R. Hunt & Assoc.) and John Deknatel and built by Bangor Punta Corp. and O'Day Corp. between 1975 and 1984.

Drawing of O'Day 25

Rig and Sails

Auxilary power, accomodations, calculations.

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

SA/D = SA ÷ (D ÷ 64) 2/3

  • SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D : Displacement in pounds.

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Ballast / Displacement * 100

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

  • D: Displacement of the boat in pounds
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

CSV = Beam ÷ ³√(D / 64)

One of company’s most successful models and in production for nearly a decade. A majority were delivered with a keel/cb, but a fixed keel version was also available (Draft:4.50’/1.37m), as was a taller rig. I: 32.00’ / 9.75m J: 10.60’ / 3.23m P: 26.50’ / 8.08m E: 9.00’ / 2.74m Yanmar inboard diesel available as an option.

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25 ft o'day sailboat

O Day 25 Boats for sale

1-15 of 133

1979 O'day 25

1979 O'day 25

Chanhassen, Minnesota

Make O'day

Category Cruiser

Posted Over 1 Month

Recently has been pressure washed and now is ready to sail. She has been in dry dock, stored inside, for last 9 years, but was properly winterized. Complete engine information will be updated as soon as possible. Everything looks to be in great working order; this boat was built well to last. Stock #109867 1979 O'DAY 25 OMC GAS ENGINE AND INCLUDES TRAILER EASY TO TRANSPORT Great sailing boat, very easy to handle. Convenient that it is trailerable an has reclining keel. She goes to windward in a chop, because she has both a centerboard and a keel. The centerboard gives her a 6Ft draft which makes her fast and close winded and helps her track when waves build up. With her board up you can slide into coves or shallow bays for a quick swim or to anchor for the night. The cabin is spacious and well appointed. Cushions match fish print trim, which are being stored at owners home to keep them clean and like new, (not shown in photos). Privacy with full folding doors, and decent space for cooking and plotting a course in comfort while the boat is heeled over. Reason for selling is wife passed away.

1984 O'day 28

1984 O'day 28

Douglas, Michigan

Category Sloop

The hull was painted in 2020 and is serviceable, the deck is firm and the surface is shiny. The wooden brightwork needs a seasonal surfacing. There is no evidence of water infiltration around portholes or through bolts. The Engine was replaced with a rebuilt Kubota M12 in August 2018. The sails are reported to be in working order and the general condition of the vessel is better than average. The interior is in very good condition. Stock #290853 ***SALE PENDING*** Sail Tomorrow! Made for comfort and Style, this 1984 28' O'day sailboat is Ready Today to set sail O'Day sailboats are well made, great for sailing and light on brightwork maintenance requirements, and this 1984 28 is no exception. Designed by C. Raymond Hunt this 28-foot sailboat is made for roominess and style. Its layout is classically symmetrical. The cabin can hold six people comfortably. The cockpit can easily hold that many or more. The O'day 28's forgiving nature and easy stability make this boat for sailors new to boat ownership or the more experienced, an easy choice. The cockpit has cushions, in serviceable condition, on the back and both sides with cup holders by the wheel. and GPS and compass at the helm. Powered by a Kubota M12 diesel engine with 10 HP will get you anywhere a breeze cannot take you. The galley has a sink, a microwave, a two-burner alcohol stove. butcher block countertops, and a large ice bucket area under counter. There is plenty of storage above the counter. The dining area has U-shaped benches that convert to a bed and a large settee across from the dining table. The O'Day has an aft sleeping area that also has an access door to the engine compartment. A more open second engine access area is easily accessible underneath stairs. The fore V-berth has ample sleeping space for two with padded walls and storage underneath and a wardrobe closet and drawers across from head and has a door for privacy. The head is starboard side midships and has toilet, sink, and shower with a door for privacy. Plenty of storage throughout with cubby holes and storage cabinets. The sale includes a 10' 2" dinghy with gas powered outboard, a deck box, a cradle and manuals for boat and engine. A 100% jib, mainsail, rigging, and a 25 lb CQR plow anchor are included. Let the wind take you where you want to go. Reason for selling is unable to manage.

1976 O'Day 25

1976 O'Day 25

La Salle, Michigan

Make O'Day

Category Sloop Sailboats

1976 O'Day 25 Owner has recently purchased a larger vessel, does not want to be a two boat owner. Price is negotiable. Was sailed up until larger boat was purchased.

1978 O'Day 25

1978 O'Day 25

Muskegon, Michigan

1978 O'Day 25   This well-maintained O'Day 25 has a Chrysler 9.9 1978 long shaft electric start motor. The bottom has an epoxy barrier coat and VC17 bottom paint. The topsides of the hull appear to be in very good condition, with no abrasions observed. The decks appear to have good structural integrity. No water saturation or delamination. The bright work needs attention. There are two port hole trim rings, that are broken, but do not affect the integrity of the port. This boat has Hood roller furling. O-Sea-D is a great trailerable boat for those longer vacation getaways when you don't have time to take it by water to that far away destination. Just add the trailer and you'll be good to go!

1983 O'Day 25

1983 O'Day 25

Bay City, Michigan

1983 O'Day 25 If you are just getting started sailing or you want the freedom and flexibility going to your favorite lakes, this 1983 O'Day 25 is the right boat for you and it is PRICED RIGHT.....This beauty will sleep 4 or 5 has a stove and fresh water.  You have an auto-pilot, depth finder, knot-meter and VHF.  You have a main(2008), 155 Genoa(2009), 2 jib (storm and 110) plus cruising spinnaker.  Mobility is provided by a tandem axle E-Z loader trailer.  This O'Day 25 had many extra's that you don't normally find on a boat this size, that's what makes it a EXCEPTIONAL BUY.....

1976 O'Day 25 Sailboat with Evinrude 9.9 outboard fixed keel full sails clean

1976 O'Day 25 Sailboat with Evinrude 9.9 outboard fixed keel full sails clean

Plainville, Connecticut

Category Cruiser Motorcycles

Length 25.0

****This is a 25 ft sailboat*** 1976 O'Day 25 ft sailboat just in. Comes with a Evinrude 9.9 outboard and full set of sails you see in the pictures. Boat is in good overall condition ..but is not perfect. Bottom was painted and could be ready for water with some clean up. Come down and check it out! Affordable Marine86 East Main StPlainville Ct 06062 860-747-BOAT ***Please check out all our auctions*** Click Here. Double your traffic. Get Vendio Gallery - Now FREE! Increase sales. Improve feedback. Get Buyer Appreciation, FREE from Vendio!

O'Day 25

Lancaster, Ohio

Boat Had been taken care of to the very best Comes with 3 Sails and a Main sail It does have a Rudder but its in my garage If you have any more questions feel free to ask!

1975 O'Day 25 CB

1975 O'Day 25 CB

Guilford, Connecticut

Model 25 CB

Category Cruiser Boats

1975 O'Day 25 CB 25 foot Oday. Built in 1975, it has a full set of sails.  The roller furling jib is a 135.  There are two anchors,  single burner butane stove, two sinks, two radios, cockpit cushions, full settee cushions, and life jackets.  She sails well, is stable, and is a great couple's boat.

1980 O'Day 25 Oday

1980 O'Day 25 Oday

Onekama, Michigan

Model 25 Oday

1980 O'Day 25 Oday READY TO SAIL, TRAILER INCLUDED! 1980 O'Day 25 Centerboard w/9.9hp Yamaha 4 Stroke Electric Start and Tandem Axle Trailer. Nice, clean O'Day 25 is ready to sail with roller furling, main sail and 2 Jibs. Nice roomy cockpit with cushions. Cabin is clean and has sleeping for 5 in the forward V-berth, port and starboard sates and quarter berth. Sink and ice box, fold down table and private head compartment with porta poti. Call today.

1983 O'Day 25 Oday

1983 O'Day 25 Oday

Pine Beach, New Jersey

Category Sailboats

1983 O'Day 25 Oday The "Amazing Grace" is a perfect day sailor/overnighter.  she sleeps 4  - 2 in forward V-berth and 2 in salon port and starboard bench lounge seats. The interior is full standing height with a small galley area with fresh water, enclosed head with porat poti,  and cushions for seating and berth areas. The exterior cockpit area has seating for 6, mainsail(new 2015), roller furling jib, and powered by a 6 Hp Tohatsu 4 stroke OB (new 2012). The boat is in nice clean condition.

2022 Bennington 25 QSBWA

2022 Bennington 25 QSBWA

Barnesville, Ohio

Make Bennington

Model 25 QSBWA

Category Tritoon Boats

Posted 3 Weeks Ago

This Bennington 25QSBWA is clean, maintained and barley broken in. Everything on the tritoon is in condition without any blemishes, the owner confirms. Don't miss out on the opportunity to own this well maintained Bennington. Stock #409657 Q25 Bennington with 50 hours on the 6.2L engine. Nice condition, stored covered when not using. Located in Barnesville, Ohio this 2022 Bennington 25 QSBWA pontoon offers a blend of comfort, style, and performance. This Bennington offer something for everyone from water from watersports to cruising the water ways or relaxing in the sun. Powered by a Mercruiser I/O 6.2L engine with 350 HP and only 50 hours of freshwater use. This Mercruiser is barley broken in! With seating for 14, plush, luxurious seating throughout the boat ensures that everyone on board can relax in style. The captain and passenger chairs swivel for your comfort so you can join in the conversation. Lots of storage compartments provide room for all your water toys and gear. This Bennington is ready to make it a fun filled day on the water!

1984 O'Day 34SL

1984 O'Day 34SL

St. Petersburg, Florida

Category Daysailer Sailboats

1984 O'Day 34SL ALL OFFERS ARE WELCOMED, OWNER WANTS IT SOLD...     Offered is this 1984 O'Day 34 shallow draft sloop with a Universal M25XP 24hp diesel inboard motor and a 30 gallon aluminum fuel tank. She is a family friendly cruiser ready for day sailing or long distance trips with sleeping arrangements for 5 people, a full marine head and well equipped galley.      Additional features and equipment include the original Batten Main with cover, Harken roller furling, Genoa, Jib, Spinaker, 2 mast mounted winches, Barlow 25 primary winches, all new lines 2015, Quick Set Anchor with 30ft. Chain 250ft anchor line, Spare Danforth anchor, Pedestal steering, Teak Cockpit Table with drink holders, Double life lines, Stern Pulpit with walk-thru rail and folding boarding ladder, Garmin Gps/Plotter/Sounder, Dual Batteries with charger, Edson pedestal steering with Teak drink holder and Teak folding Table, Steering Chain and cables new 2015, New Gauges 2016 (RPM, Volt, Oil, Temp) with a new Plexiglas cover, Rail mounted Aux motor mount, Bimini, Stern boarding ladder and much more.      She ready for day sailing or that next long trip. Come take a look at this 1984 O'Day 34 today.

1984 O'Day 34

1984 O'Day 34

Fairhaven, Massachusetts

1984 O'Day 34, This 1984 ODay 34 is located in Fairhaven (in water until 10/30/16) or New Bedford, MA (on the hard after 10/30/16) and is available for showing by appointment.BOLERO is a well cared for, two owner ODay 34. She is nicely equipped for cruising and provides the perfect platform for the cruising family or couple. The ODay 34 design concept was aimed at moderate sailing performance and spacious accommodations. The shoal draft keel allows for access to more anchorages while still pointing well and the rudder is large providing for good directional control. Principle Dimensions and Other Information:LOA 34.00LWL 28.75Beam 11.25Draft 5.58Displacement 11,500 poundsBallast 4,600 poundsKeel Type ShoalRudder Type SpadeSA / Disp. 16.51Ballast / Disp. 40.01%Disp. / Length 216.04Designer C. Raymond Hunt & Associates / J. DeknatelBuilder ODay CorporationYears of Production 1980 to 1984Number Built 241Machinery:Universal FWC dieselHorsepower 21Hours 1150 (approximate)Fuel Range 45 hours at 6 knots Tankage:Fuel 30 gallonsWater 50 gallonsHolding 15 gallonsElectrical:12 VDC(2) Group 27M Deep Cycle BatteriesElectronics:Radar Raytheon RX 10 mast mountChart Plotter Raymarine C80Autopilot Navico Power PilotDepth SR MarinerSpeed - AutohelmVHF Magnetic Compass RitchieGalley Equipment:Stove / Oven Hillerange 2 burner with ovenIce box and Refrigerator - 8 cubic feetDual S.S. sinksH/C pressurized water (with Hot Water Heater)Cabinet, shelving and drawer storageHead Equipment:Manual flush headStainless holding tank with manual and deck pumpoutFiberglass molded sink basinH/C pressurized water with pull out shower headVanity with mirror and storageSafety Equipment:(4) Type II PFDs(2) Auto/Manual Inflatable PFDs(1) Throwable device Permanent (battery operated) USCG approved flares (1) Air horn(2) BC dry chemical fire extinguishersTransom mounted swim ladderDouble life lines2 -15kg anchors25 x 3/8 chain50 x nylon three strand rodeSail Handling Equipment:(2) Barlow #16 halyard winches(1) Barlow #16 sheet winch(2) Barlow #25 primary winchesCruising Design roller furlingInboard genoa tracks4:1 boom vang / preventerMid-boom mainsheetSails:Battened Main Sail Doyle (2013)135% genoa Doyle with UV cover (2007)Canvas and Other Equipment:Main sail coverDodger with side curtains (2015)Life line padded covers (cockpit)(2) Cockpit cushions Hatch screen Fenders & dock lines $30000

1983 O'Day 39

1983 O'Day 39

Port Clinton, Ohio

1983 O'Day 39 Boat has been with current owner for 25 years!Optional dinghy - Equipped for racingHarken roller furler - Steel cradle This boat is on site, please call to set showing appointment.Sales office is closed on Sundays.

1986 O'Day 31

1986 O'Day 31

Fredericksburg, Virginia

1986 O'Day 31,This isnt just a boat, shes the newest member of your family! Over the course of the last 5 years Ruff Life has taught her current owners how to be sailors. They love everything about how she sails so much that they are staying in the ODay family and moving up to a larger version to accommodate their growing family. Ruff Life hails from Ann Arbor, MI originally but her current owners sail her on the Potomac River and Chesapeake Bay. She enjoys winds from 10-15 knots and will give you a gentle heel for a relaxing sail. Looking for a bit more adventure, she has taken on 20-25 knots which allow you to hang off the side and get your toes in the water! Her current family loves her ability to sail briskly under only the 155% genoa while resting the mainsail and maintaining plenty of cruising speed. Her cabin is nicely arranged, very large, and welcoming. She is equipped with an abundance of storage. Throughout their time together, the current owners have maintained her and updated / upgraded many parts to include a new dodger, new life lines, new headstay and new jib reefing configuration, new LED lights throughout, new portlights, custom mattress topper for the v-berth, and several layers of new bottom paint. The auxiliary power has been meticulously maintained and updated with a new alternator, new water pump, new heat exchanger, new starter, rebuilt raw water pump, rebuilt injector pump, and rebuilt transmission. Nothing has been neglected or forgotten on this lady. This isnt just a boat sale to the current owners, this is an adoption of one of their favorite members of the family! See more of their family adventures over the last 5 years here : https://www.facebook.com/hashtag/rufflife31 $24900

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O'day 25

The o'day 25 is a 24.83ft masthead sloop designed by hunt & associates and built in fiberglass by o'day corp. between 1975 and 1984., 2898 units have been built..

The O'day 25 is a light sailboat which is a reasonably good performer. It is very stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat.

O'day 25 sailboat under sail

O'day 25 for sale elsewhere on the web:

25 ft o'day sailboat

Main features

Model O'day 25
Length 24.83 ft
Beam 8 ft
Draft 2.25 ft
Country United states (North America)
Estimated price $ 0 ??

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25 ft o'day sailboat

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Sail area / displ. 17.11
Ballast / displ. 45.55 %
Displ. / length 193.16
Comfort ratio 17.52
Capsize 2.02
Hull type Monohull keel with centerboard
Construction Fiberglass
Waterline length 21 ft
Maximum draft 6 ft
Displacement 4007 lbs
Ballast 1825 lbs
Hull speed 6.14 knots

25 ft o'day sailboat

We help you build your own hydraulic steering system - Lecomble & Schmitt

Rigging Masthead Sloop
Sail area (100%) 269 sq.ft
Air draft 0 ft ??
Sail area fore 159 sq.ft
Sail area main 110.25 sq.ft
I 30 ft
J 10.60 ft
P 24.50 ft
E 9 ft
Nb engines 1
Total power 0 HP
Fuel capacity 0 gals

Accommodations

Water capacity 0 gals
Headroom 0 ft
Nb of cabins 0
Nb of berths 0
Nb heads 0

Builder data

Builder O'Day Corp.
Designer Hunt & Associates
First built 1975
Last built 1984
Number built 2898

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25 ft o'day sailboat

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O’Day 25

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Let's Get to Know Each Other

Let's connect, why it's important to partner with a designer on your o’day 25 sail.

The design is the most critical part of your new sail. Ensuring the sail fits and performs its best is a must for our crew. The Precision Sails Design team are experts at their craft. Unlike other sail lofts all of our sailors work one-on-one with a designer to perfect their O’Day 25 sail.

No Two O’Day 25 Sails Are Alike

There are many factors that affect the performance and design of your sails. Location, sailing experience, and weather conditions all come into play when picking the perfect sail. Two mainsails made for two O’Day 25’s in California and Florida will have different designs, sailcloth, and options based on what is best for the sailor.

Taking measurements is easy. All sailors work alongside our measurement team to measure and confirm their rig specs. This helps ensure your design is flawless and allows us to extend our Perfect Fit Guarantee to all of our sailors.

Discover the best cloth for your sailing needs, our sail details, or more about how Precision Sails is leading the sail-making industry with innovative new practices.

Headsail-And-Mainsail-in-the-Bahamas

Proudly offering the largest selection of sailcloth in the industry, our team is always available to help you find your perfect sail. Whether you're a weekend sailor, coastal cruiser, or club racer our team is ready to walk you through the process.

Types of Sails

Precision Sail Loft specializes in producing headsails, mainsails, spinnakers, gennakers, and code zeros. So no matter the type of sail you’re looking for, we can help. Our sails are trusted by cruisers and racers alike from around the globe. Review the sail options and craftsmanship available to customize your dream sail.

Build & Process

Every sail we craft is produced to the highest standards with the best hardware, craftsmanship, and skill-set in the industry. Pair that with Precision Sails' approach to communication and your sailboat will be ready to set sail before you know it.

Unparalleled Commitment To Helping Sailors

As experts in design, communication, and production our team is ready to take on the task of making sails for your boat. Give us a call to get started.

“ I just received my asymmetrical spinnaker, with sock and turtle bag, along with a new 135 Genoa. The entire process was simple and both sales and the design team were in regular contact if there were any questions. The customer portal was easy to use and lets you keep track of where in the process your sails are. Great sails, great service -Graham Edwards (Facebook)
“ The whole team at Precision Sails was fantastic from start to finish. We’ve had a laminate main and genoa made so far and have a spinnaker on the way. They listened carefully to our needs and recommended a great sail cloth. We couldn’t have gotten more bang for our buck! -Noah Regelous (Google)
“ We received our spinnaker and launched it yesterday and I just wanted to let you know how pleased we are with it. The service we received from your company was exceptional and the quality of your product is second to none. We will certainly be return customers in the next few months to replace our main and jib sails and will recommend your company to all our sailing buddies. Once again-thank you.” -Daniel Jackson (Google)
“ we had good communication during the planning stages and the knowledgeable people at precision sails really got me fixed up good! The sails look and work fabulous! my boat sails better than it ever had! couldn’t be more pleased with the product AND the service!” -Fred Jelich (Facebook)
“ Our new furling jib for a Corsair 27 Had to be specially designed due to the height of the furler, but this was accomplished quickly and in short order we had our sail which fits beautifully and has a great shape. It’s everything we could have wanted, high tech design, thoughtfully executed and affordable.” -Nancy Y. (Yelp)

Request a O’Day 25 Quote

Looking to buy a new headsail or mainsail for your O’Day 25? Request a free quote from Precision Sails for a new custom sail. Our team will work with you to design the perfect sail for you.

Thanks for telling us a bit about yourself and your boat. Our team will send you a preliminary quote based on information we have gathered from sailors similar to you.

We will give you a call in order to narrow down the options on your quote and improve the accuracy. If you want us to call you at a specific time, feel free to schedule a time on our calendar!

Thanks for telling us a bit about yourself and your boat. Our team will reach out to offer some suggestions and get started on finding you the perfect sail!

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Collection: o'day 25 (cb).

Rig Dimension Provided By Sailboat Data

I: 30.0ft
J: 10.6 ft
Foresail Area: 159.0 ft
P: 24.5 ft
E: 9.0 ft
Mainsail Area: 110.3 ft
Total S.A (100% Fore+Main ) 269.3 ft

OEM/Standard Jib - 27.16S

Coastal jib - 27.16s, oem/standard 150% genoa - 30.25l, oem/standard furling jib - 27.16s, coastal furling jib - 27.16s, oem/standard 135% furling genoa - 28.50m, coastal 135% furling genoa - 28.50m, oem/standard 150% furling genoa - 28.50l, coastal 150% furling genoa - 28.50l, oem/standard mainsail - 24.75m, oem/standard mainsail - 24.50m-internal slide, mainsail cover - 9.5 ft boom, flexible furler ff4 (max headstay: 33'), c-290 coastal furling system (std headstay: 40'), cruising asymmetrical spinnaker - size 1, storm jib - 14.0.

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The O'Day 25 sailboat is a classic and versatile vessel that offers a delightful sailing experience for both novice and experienced sailors. With a length overall of 25 feet and a beam of 8 feet, this pocket cruiser strikes a balance between maneuverability and comfort. The boat's design features a moderate keel, which provides stability and excellent upwind performance, making it suitable for coastal cruising or even some light offshore sailing.

The O'Day 25 boasts a spacious and well-laid-out interior that maximizes its compact size. The cabin offers comfortable sleeping accommodations for up to four people, with a V-berth forward and two settee berths amidships. It also includes a small galley area with a sink and a two-burner stove, along with a compact head compartment. The large windows and hatches provide ample natural light and ventilation, creating a bright and airy atmosphere below deck.

On deck, the O'Day 25 features a well-organized cockpit that allows for easy handling and maneuvering. The boat's rigging is simple and straightforward, making it manageable for single-handed sailing. The generous sail area, combined with its efficient hull design, ensures excellent performance under sail. Whether you're cruising along the coast, participating in a weekend race, or enjoying a leisurely day sail, the O'Day 25 offers a reliable and enjoyable sailing experience for sailors of all skill levels.

LOA: 24.83 ft LWL: 21.00 ft Beam: 8.00 ft Draft: 6.00 ft Displacement: 4007.00 lbs Ballast: 1825.00 lbs Hull type: Keel/Cbrd. Hull construction: FG Rigging type: Masthead Sloop

O'Day 25 for sale in the last 12 months

Below you'll find the latest O'Day 25 listings for the last 12 months. We compare the listing price with boats listed in the past and the color coding indicates if the price is good (green = below the average listing price) or more on the expensive side (red = seller is asking more than the average listing price).

Date Year
Country, State
Price Details
2023-11-101979
USD 12500
2023-07-241983
USD 1
2023-07-221977
USD 9
2023-07-151977
USD 53
2023-07-061977
USD 49
2023-06-281977
USD 49
2023-06-231976
USD 265
2023-06-231977
USD 40000

O'Day 25 listing prices over time

Listing details.

O'DAY 25 Detailed Review

https://images.harbormoor.com/originals/c639bb41-4ba9-4f96-b11d-4e6ac5454aee

If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of O'DAY 25. Built by O'Day Corp. and designed by Raymond Hunt (C.R. Hunt & Assoc.), the boat was first built in 1975. It has a hull type of Keel/Cbrd. and LOA is 7.57. Its sail area/displacement ratio 17.11. Its auxiliary power tank, manufactured by undefined, runs on undefined.

O'DAY 25 has retained its value as a result of superior building, a solid reputation, and a devoted owner base. Read on to find out more about O'DAY 25 and decide if it is a fit for your boating needs.

Boat Information

Boat specifications, sail boat calculation, rig and sail specs, contributions, who designed the o'day 25.

O'DAY 25 was designed by Raymond Hunt (C.R. Hunt & Assoc.).

Who builds O'DAY 25?

O'DAY 25 is built by O'Day Corp..

When was O'DAY 25 first built?

O'DAY 25 was first built in 1975.

How long is O'DAY 25?

O'DAY 25 is 6.4 m in length.

What is mast height on O'DAY 25?

O'DAY 25 has a mast height of 7.47 m.

Member Boats at HarborMoor

    Beam:  8.9'    Draft:  26'
    Beam:  9'    Draft:  5'
    Beam:  8 .'    Draft:  1.8-6'
    Beam:  7.82'    Draft:  6.33'
    Beam:  7.82'    Draft:  1.25'
    Beam:  7.83'    Draft:  5.50'
    Beam:  8.5'    Draft:  4.5'
    Beam:  8.5'    Draft:  4.5'
    Beam:  8.08'    Draft:  5'
    Beam:  9.5'    Draft:  4'
    Draft:  3.3'
    Beam:  8.50'    Draft:  4.42'
    Beam:  8.5'    Draft:  4.42'
    Beam:  8.5'    Draft:  3.5'
    Beam:  9'    Draft:  5'
    Draft:  3.5'
    Beam:  7'    Draft:  5.6'
    Beam:  8.5'    Draft:  4.33'
    Beam:  9'    Draft:  4.5'
    Beam:  10'    Draft:  2.6'
    Beam:  7.92''    Draft:  5.67''
    Beam:  9.08'    Draft:  4.5'
    Beam:  7.5'    Draft:  4'
    Beam:  9'3'    Draft:  4'11'
    Beam:  8'    Draft:  3.5'
    Beam:  9.1'    Draft:  4.6'
    Beam:  15'    Draft:  4'
    Draft:  4.2'
    Beam:  9'    Draft:  4'
    Beam:  8'    Draft:  4.5'
    Beam:  9.3'    Draft:  4.9'
    Beam:  9'    Draft:  3.4'
    Beam:  8.42'    Draft:  3.5'
    Draft:  3.9'
    Draft:  4'5'
    Beam:  9'    Draft:  4'5'
    Draft:  4.5'
    Beam:  9'    Draft:  3.6'
    Beam:  9'    Draft:  4.5''
    Beam:  8.6'    Draft:  4.6'
    Beam:  10.4'    Draft:  33'
    Beam:  9'    Draft:  4.6'
    Draft:  4'
    Beam:  9.8'    Draft:  5.3'
    Beam:  7.9'    Draft:  5.9'
    Beam:  9.5'    Draft:  7'
    Beam:  8'    Draft:  5.5'
    Beam:  8'    Draft:  3'
    Beam:  8'    Draft:  2.5'
    Beam:  7'4'
    Beam:  7'11'    Draft:  1'6'
    Beam:  8'    Draft:  2'11'
    Beam:  7'8"'    Draft:  2'
    Beam:  8'    Draft:  4'
    Beam:  8.5'    Draft:  3'
    Beam:  7.25'    Draft:  3'
    Beam:  9.6'    Draft:  4'
    Beam:  8.5'    Draft:  1.8'
    Beam:  7'5'    Draft:  3'5'
    Beam:  8''    Draft:  4.6''
    Beam:  8'6'''    Draft:  3'5''
    Beam:  8.5'    Draft:  5.5'
    Beam:  8'    Draft:  3.25'
    Beam:  8'6'    Draft:  5'9'
    Beam:  8'    Draft:  5'
    Beam:  9''    Draft:  4'6'

25 ft o'day sailboat

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Tuning an O'Day 25

  • Thread starter Isla-Mae
  • Start date Aug 21, 2014
  • Oday Owner Forums
  • Ask An Oday Owner

Isla-Mae

I have rebuilt a 1978 O'Day 25 C/B from the CB up. Now I consistently come last in the club races and want to eliminate everything about the boat that may be affecting performance. The main is new and the 150 genoa has seen better days; a tri-radial is seriously considered. My concern is the most effective mast rake; what should the length of the forestay be? What is the angle of rake that should be achieved? The Boat Bible suggests 6 degrees and I feel sure that is too much. Next is the stay tension specs. Help me, please.  

Brian S

First, get Selden's "Hints and Advise" mast tuning booklet here: http://www.seldenmast.com/en/resources/rigging_instructions.html You want about 3-6º of weather helm, so that the rudder provides some lift beating to windward. Your rake will be set to achieve this in your most common wind range, through trial and error. Since you don't have a one design class racing type boat, there will not be any tuning guides for an O'day 25, so trial and error is the name of the game... Next, get this: http://shop.sailboatowners.com/prod.php?51998/Sail Trim Users Guide and possibly the companion laminated charts: http://shop.sailboatowners.com/prod.php?51997/Sail Trim Chart Have a gander at the Don Guillette forum here: http://forums.oday.sailboatowners.com/forumdisplay.php?f=17 Finally, consider replacing your headsail. From what I have read on Don's forum, particularly with regards to Catalinas, it may be good to consider a 135% genoa unless you sail mostly in lighter winds. A 150% tends to overpower pretty quickly… But that is a debate for much later on...  

Thanks Brian: I plan to have a local sailmaker build a 140 tri. Since that should greatly affect the helm, I will fine tune the rake t o match.  

RichBone

Racing can be very frustrating, especially against sailors that have their boats along time and know how to 'sail' them. It can take awhile to get to know your boat. When you get your new sail have someone from the loft go out with you. He (or She) will trim it up and see how the the boat sails. They want you to be satisfied with your sail. Like already mentioned tune the rigging so it has a little weather helm. The 25 was designed as a trailerable boat and the rigging isn't meant to be really taut. There were some posts on this a few years ago. Original instructions said something like "tighten turnbuckles one turn past hand tight" (what's hand tight on a 30 year old boat?). I don't readily recall. It's something that you need to play with. the forestay especially is important in that tension on it determines how full or shallow the draft is on the headsail. Anyhow, the sailmaker can be very helpful in getting the sails to work right.  

Jackdaw

Job #1 is getting a boat to sail to its rating. If your sails are old/crap that will be very hard. Same goes with bottom condition. Excess stuff on board. Etc Etc. The best place to find this out is on the initial starboard beat after the start. Look at similarly rated boats near you... how is your boat-speed and windward angle compared to them? If you are with them then the game is about tactics, and sailing better/smarter. If you are off the pace, make sure you are trimmed well. Then look at standing rigging adjustments, and sail condition. The O25 is NOT a great raceboat. Don't expect great things. But it should be close to boats like Catalina 25s.  

LANCE ON CLOUD NINE

LANCE ON CLOUD NINE

it is very easy for too much stay tension to compress the deck under the mast or to pull out a chain plate from the wooden bulkhead (especially if the bulkhead has had the slightest bit of water wicked in down the side stay and through the deck). I would examine these areas first. Many O'Days that are raced have had these areas reinforced. Also the side stays are placed out so far that it is hard to get tight sheet angles - it would be interesting to play with a barber hauler on your new jib. Given the slow rating I always thought it would be fun to really get to know the boat, and to keep making slight improvements, to attempt to sneak up from the back of the pack. They sure don't expect us! Good luck, please keep posting your race results as you make changes.  

Hi all: I have not been on the forum in a while. I took your advice and got a new front sail. Scott Morgan of Sails by Morgan in Cocoa, FL, build a 150 tri-radial Genoa and I hauled the boat for a vigorous bottom scrub. The Isla Mae consistently placed middle of the pack, up from a consistent dead last. Oh, the ridiculously heavy, 9.9 Johnson was also removed. Sailing out of the slip can be a challenge but the stern sits well out of the water, producing much less drag. The Genoa become overpowering in winds near 15 knots. A 130 genny and a symmetrical tri-radial spinnaker are now on the wish list. Since the boat is kept in a slip, is an ablative paint good enough for competition? Your comments are always appreciated.  

Isla-Mae, it is my impression that ablative paint is not recommended for racing, because it is not particularly smooth, and will slough off continuing to not be smooth. You would want a hard finish paint. Interlux VC-17m or Pettit ViVid are examples often applied to racing hulls.  

Here is an update on the Isla Mae. A 2HP Honda replaced the Johnson 9.9. A full sized tri radial spinnaker by UK has been added. It took us a long time with lots of hairy moments to learn to deploy and retrieve this kits. Wow, it adds a lot of speed while flying. Raising and removing the spinnaker is still taking good time out of the advantage but we are encouraged. The remaining problem is overcoming "rounding Up" in the puffs. Is there a technique for overcoming this tendency when using the 150 genoa? Is there a mast rake that will work best for the 150 and also for a 135? I do not think it is normal to change the rake with the sail of choice. What is the most effective way to tweak this boat for speed? I just want to have the O'Day 25 sail to its rating. Thanks.  

Sunbird22358

Sunbird22358

Rounding up In puffs is the boat's way of telling you that you have too much sail area up. It is also considered a safety feature since rounding up into the wind reduces the wind pressure on the sails and helps the boat recover and right herself instead of taking a knockdown. Since you have the K/CB model 25, I'd try raising the CB a little in puffy conditions, experiment with just how much you need to raise the CB to "dial out" some of the weather helm. Raising the CB a little will move the center of lateral resistance (resistance to leeway) further aft, reducing the weather helm, however be careful not to raise it too much while beating as it may increase lee-helm (tendency of boat to turn off the wind instead of into the wind when a puff hits.) Changing the angle of the CB is one way to "fine-tune" the balance of the sail plan, thereby adjusting the amount of weather-helm vs Lee-helm, and should be much easier than adjusting the rake of the mast. You will most likely need to point up a little into the wind in order to take some of the sideways pressure off the CB in order to adjust it's position. I know that on my DS II I almost need to adjust the CB only when the boat is pointing nearly into the wind, or sailing nearly downwind.  

There is a post from Stu on the Catalina forums regarding the choice of a 150% vs. 135% genoa. I think the end result was that for most sailors, a 135% is the better sail choice, in that it can handle a higher range of wind. A 150% or 155% should probably only be flown by racers, and in lighter air. If you aren't as keen on sail controls, then you might wish to start here: http://shop.odayowners.com/prod.php?51998/ This book by Don Guilette will really help you understand sail controls and effect on performance. It's not a racing performance book, but it's probably the be best book for non-technical racers I've seen that will get you at least 75% there. In your earlier post, you say that up around 15 knots wind speed, the boat is definitely overpowered with the 150%. If you are routinely rounding up in winds less than that, then perhaps you could adjust your jib fairleads aft a bit to allow the top of the genoa to twist off, flatten the foot of the sail, and thus depower some. Also, you might relax your main leech tension to allow the top of the main to twist off. Does the O'day 25 have a traveller? If so, you'll use the mainsheet to control leech tension and twist, and angle of attack with the traveller, and having an easily adjusted traveller will allow you to let the traveller down for puffs. If you don't have a traveler, then you'll be trying to use the vang and easily adjusted topping lift to control leech tension, and allow the mainsheet to control angle of attack independently of leech tension. This is called vang sheeting. Unfortunately, vang sheeting is not as effective as a traveller, because with a traveller you can bring the boom higher than the centerline, and thus keep the main twisted properly (leech tension) while allowing higher pointing angles.  

The 25 does have a traveler, but the factory installed ,standard equipment traveler is a plain-Jane no frills track across the forward end of the cockpit, on the bridgedeck. Adjustment side to side is by track stops if I recall what my friend's 1979 25 had.  

Attachments

fa_12_sb.jpeg

Thanks Brian S and Sunbird. I do have a traveler, vang, and cunningham. New blocks are being added to provide better purchase for the traveler sheet. I will try adding more twist to the sail trim to keep resistance lower but still have power for the chops. I will report on the effect. Ahoy!  

The mast on my O'Day 25 (center board) weights about 140 lbs. Some specs suggest it should be 65 lbs. What should a mast for this boat weight?  

I agree with Jackdaw and many of the other posts here, especially those about the size of a 150 jib. I have an O'day 23 and it gets interesting in winds above 20 kts. I do not race my boat but do strive to get the best out of her every time I hoist the sails. I think a 150 is too big in winds above about 15 kts for a center-board type boat like ours where the major keel weight is close to the waterline. As you have noticed the boat will round up especially in winds greater than 15 kts with a 150. I have a 150 and it makes the boat point higher and go well in steady winds up to about 12 knots with puffs up to about 15. For winds greater than that the boat becomes a chore to handle rounding up etc etc. About racing ... I have crewed in a number of boats for more than 20 years and my experience is that flying the telltales and keeping the main adjusted is the first step to doing well. The info by Don G on this web site is excellent as are the simpler sail adjustment sights which talk about the use of tell tales. New sails help but getting what you have to "Sail well" is critical. There are lots of adjustments which can be made, - weight distribution of the crew, halyard tension, position of the cars, traveler position, boom position, Cunningham on the main, outhaul, leach lines on the jib, to name just a few. All of these make small differences but the first step is to drive a steady course and keep the power on. Rounding up is like putting a brake on. Having too much sail up and healing the boat is another issue Yeah it looks good and hearing the water rush along the rail is fun but it does nothing for boat speed or the ability to point towards the mark - bigger boats with significant keel depths and weights can carry a larger heel but the O'Days perform better - in my opinion - if you keep them on their feet by tucking a reef in for the upwind leg. When reefed the boat will sit better in the water, there will be less rounding up and they will sail faster, at least that is my experience. The next time you are out enjoying a cruise in winds greater than say 15 and the boat rounds up, take a look at the stern and the position of the rudder and you will see the water flow showing you that the rudder is a brake and with a huge amount if water turbulence behind. This is just drag and now you have to get the boat going again. Try putting a tuck into the main and see how the boat sails. If you have a speed indicator you can check speed improvements for the changes you make. Either way its all just fun and everyday is a chance to improve your skills. Fairs winds and keep us informed of your progress. James  

sdstef

Isla-Mae said: Here is an update on the Isla Mae. A 2HP Honda replaced the Johnson 9.9. A full sized tri radial spinnaker by UK has been added. It took us a long time with lots of hairy moments to learn to deploy and retrieve this kits. Wow, it adds a lot of speed while flying. Raising and removing the spinnaker is still taking good time out of the advantage but we are encouraged. The remaining problem is overcoming "rounding Up" in the puffs. Is there a technique for overcoming this tendency when using the 150 genoa? Is there a mast rake that will work best for the 150 and also for a 135? I do not think it is normal to change the rake with the sail of choice. What is the most effective way to tweak this boat for speed? I just want to have the O'Day 25 sail to its rating. Thanks. Click to expand

We do race our 25 in our club's Wed eve events. We set our mast with 0 rake. We use a new 2 full batten main and a 135% jib from a Catalina 25. We give away a lot of area here, since the jib is high cut. But visibility is great. Of course we don't win (except once) but we are always in the top 5 (out of 9 or so). Things that helped us move up are: Clean bottom, that's been faired and has no bumps. Clean the bottom every 30 days or more. Tight headstay. As tight as you are willing to risk to reduce headstay sag. Get a new traveler with roller bearing car. VERY IMPORTANT- Make sure the cam cleats are on the CAR. Not on the traveler ends. Otherwise you won't be able to open the starboard lazzeret Guess how I know? Being able to lower the traveler to avoid rounding up is important. Also being able to haul the boom to centerline without a lot of leech tension in light air As previously mentioned, move the centerboard aft by pulling it up and inch or two in strong wind. Pick up the centerboard completely when going down wind. And lots of practice. Reading all those books will help too.  

Kestle

Rounding up is a bit overstated, IMHO. We routinely round up (slightly) in races as a way to bleed off gust energy. It is a degree of how much. It is also true that the rudder position tells you sail balance and rudder drag; that has to be reduced first. A balanced sailplan is the fastest. Jeff  

Stu Jackson

Stu Jackson

Brian S said: There is a post from Stu on the Catalina forums regarding the choice of a 150% vs. 135% genoa. I think the end result was that for most sailors, a 135% is the better sail choice, in that it can handle a higher range of wind. A 150% or 155% should probably only be flown by racers, and in lighter air. Click to expand
Stu Jackson said: Believe it or not, sometimes a smaller jib can do MUCH better than a bigger one. I have smoked a one-design boat with a larger headsail a few times. Heavy winds, to be sure, but it happens. Click to expand
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IMAGES

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VIDEO

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COMMENTS

  1. O'DAY 25

    Discount Sails-O'Day_25. Electric Yacht. New Rudders. SeaWaterPro. SBD App - BR. top 1 ads row1 ... 2.25 ft / 0.69 m: Construction: FG: Ballast Type: Lead: First Built: 1975: Last Built: ... to the bottom of the keel or fin. Like the LWL, it will vary with the weights of fuel, water, stores and equipment. A boat's actual draft is usually ...

  2. O'Day 25

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  3. O'Day 25

    O'Day 25 is a 24′ 10″ / 7.6 m monohull sailboat designed by Raymond Hunt (C.R. Hunt & Assoc.) and John Deknatel and built by Bangor Punta Corp. and O'Day Corp. between 1975 and 1984. ... The higher a boat's D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less ...

  4. O Day 25 Boats for sale

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  5. O-day boats for sale

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  6. O'day 25

    The O'day 25 is a 24.83ft masthead sloop designed by Hunt & Associates and built in fiberglass by O'Day Corp. between 1975 and 1984. 2898 units have been built. The O'day 25 is a light sailboat which is a reasonably good performer. It is very stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat.

  7. o day 25 seaworthiness

    So, for inland seas and coastal work, yes a maintained 25 is considered sea worthy. Each boats seaworthiness must be evaluated against worst possible conditions. Going away from shore could easily expose you to 30 or 50 knot winds. I have a 26 and would not want to expose myself above 30 knots.

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    2.2'. Maine. $5,695. Description: There are many reasons why the O'Day 25's have been around so long. A sturdy swing keel that allows you to go where most sailboats of its size can't (2.25 to 6 ft.) A well laid, heavy fiberglass hull and gelcoat that have withstood the test of time. A large cockpit and incredibly spacious cabin that sleeps five ...

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    So we built a maxitrailerable 25 footer that can hit the road like a Greyhound scenicruiser, and still hit the water like a scolded dog. The performance standard that John Deknatel and the Hunt Associates' designers created for the O'Day 25 Sailboat has been a rude shock to many a hot MORC racer. Yet the interior squeezes every inch of ...

  14. Sail O-day boats for sale

    Find Sail O-day boats for sale in your area & across the world on YachtWorld. Offering the best selection of o-day boats to choose from. ... All 25 km 50 km 100 km 200 km 300 km 500 km 1000 km 2000 km 5000 km. ... Used. Length. to. ft. m. Price. to. USD. Year. to. Class. Power. Power-all-power. All power. Power-cruiser. Cruiser. Sail. Sail-all ...

  15. O'Day 25 Sailboat values and recent boats for sale

    The O'Day 25 sailboat is a classic and versatile vessel that offers a delightful sailing experience for both novice and experienced sailors. With a length overall of 25 feet and a beam of 8 feet, this pocket cruiser strikes a balance between maneuverability and comfort. ... LOA: 24.83 ft LWL: 21.00 ft Beam: 8.00 ft Draft: 6.00 ft Displacement ...

  16. 1978 25ft O'Day

    May 8, 2011. 189. ODay 25 Cambridge. Aug 13, 2012. #2. I bought an O'Day 25 1978 last year. I owned an O'Day 22, Albin Vega and an Irwin 41 prior to this boat. The O'Day 25 had been on the hard for two years. Look for water penetration in the deck and in the transom.

  17. O'Day 25 boats for sale

    Find O'Day 25 boats for sale near you, including boat prices, photos, and more. Locate O'Day boat dealers and find your boat at Boat Trader!

  18. 1978 O'day 25 sailboat.

    1978 O'day 25 foot sailboat walkthrough while underway in the Indian River, Central Florida.

  19. DAYSAILER

    6.25 ft / 1.91 m: Displacement: 575.00 lb / 261 kg: Max Draft: 3.75 ft / 1.14 m: ... O'Day Corp. Precision Boat Works: Associations: Daysailer Class (O'Day) Products: The Sail Warehouse ... Fox designed the hull, but the original cuddy was designed & molded by O'Day & his company. The DAY SAILER has been built by several builders and with a ...

  20. O'Day Corp.

    In the beginning George O'Day Associates was only a distributor for several brands of small Sailboats. Some were produced by Fairey Marine of England and Marscot Plastics in the USA. (O'Day took over Marscot in 1958 to build the RHODES 19.) ... O'DAY 28: 28.25 ft / 8.61 m: 1978: O'DAY 280: 28.96 ft / 8.83 m: 1988: O'DAY 290: 28.25 ft / 8.61 m ...

  21. O'DAY 25: Reviews, Specifications, Built, Engine

    O'DAY 25 Detailed Review. 1 of 2. If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of O'DAY 25. Built by O'Day Corp. and designed by Raymond Hunt (C.R. Hunt & Assoc.), the boat was first built in 1975. It has a hull type of Keel/Cbrd. and LOA is 7.57.

  22. Preowned sailboats for sale under 25 feet

    Preowned sailboats for sale under 25 feet preowned sailboats for sale by owner. Home. Register & Post. View All Sailboats. ... Fort Lauderdale, Florida Asking $47,700. 37' Alberg 37 New Bern, North Carolina ... 25' O'Day 25 Foot ODay Scituate, Massachusetts Asking $4,800. 47' gulfstar 47 sailmaster

  23. Tuning an O'Day 25

    26. Aug 21, 2014. #1. I have rebuilt a 1978 O'Day 25 C/B from the CB up. Now I consistently come last in the club races and want to eliminate everything about the boat that may be affecting performance. The main is new and the 150 genoa has seen better days; a tri-radial is seriously considered. My concern is the most effective mast rake; what ...