BoatsO'day 37

O'day 37

Masthead Sloop · Fin With Rudder On Skeg · 1977–1985

A C. Raymond Hunt-designed masthead sloop built for charter fleets and sold internationally as the Trinidad 37

Designed by C. Raymond Hunt Associates & John Deknatel.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin With Rudder On Skeg

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

LivelySea-kindly

Her moderate displacement on a moderate beam gives 26 — a moderate, middle-of-the-road motion.

Comfort ratio 26
CoastalBluewater

1.88 — just under the 2.0 offshore line; her beam is modest for her weight.

Capsize screening 1.88
LightHeavy

224 — moderately heavy for her waterline, a balanced cruising weight.

Displacement / length 224
EasygoingPowered-up

16.4 — moderate power for her weight; steady, all-round performance.

Sail area / displacement 16.4
TenderStiff

43% of her weight is ballast — stiff, standing up well to her sails.

Ballast 43%

A capable cruiser that sits just inside the offshore line — coastal work with real passages in her.

  • Draws less than ~83% of boats her size on file

Compared with 2964 boats of the same type within a quarter of her length.

On the water

The O'day 37 on video

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Ballast / displacement
42.9%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
16.4
Displacement / length
224.0
Comfort ratio
26.4
Capsize screening
1.88
Hull speed
7.4 kn
Pounds / inch immersion
1228
Hull
Hull type
Fin with rudder on skeg
Construction
Fiberglass
Ballast type
Lead
Production
Years built
1977–1985
Units built
219
Designer
C. Raymond Hunt Associates, John Deknatel
Builder
O'Day Corp, Bangor Punta Corp

Boats like this, on the water

Nobody has filmed this one — but these are close.

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Oyster Marine 37 Heritage11.28 mSame hull familyNear-identical lengthA Holman & Pye designed masthead sloop built for offshore stability with a skeg-mounted rudder and conservative sail plan
Tartan Marine 37211.34 mSame hull familyNear-identical lengthA 1988-1993 masthead sloop featuring a deep 2.08-metre fin keel and a spade rudder for performance-oriented cruising
Pearson Yachts 3611.14 mSame hull familyNear-identical lengthA William H. Shaw-designed masthead sloop built for the IOR One Ton rule, featuring a fin keel and skeg-mounted rudder
Hunter Marine 38011.35 mSame hull familyNear-identical lengthOffered with a deep 1.98m keel option, this high-volume cruiser features a spade rudder and a B&R rig
Hunter Marine 37611.35 mSame hull familyNear-identical lengthA spacious cruiser featuring a B&R rig and wing keel, sharing a proven hull design with the later 380 and 386 models
Hallberg-Rassy 3711.32 mSame hull familyNear-identical lengthA German Frers-designed masthead sloop built for offshore comfort with a stiff, stable hull and balanced performance

The family

Boats like this

Nearby designs by size, type, and era — worth a look alongside her.

Keep looking

Nothing filmed of this one yet

Two ways to keep looking — both search what the fleet has actually recorded.

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