BoatsGrampian Marine Classic 37

Grampian Marine Classic 37

Masthead Sloop · Fin Keel · First built 1965

Offered as a bare hull or kit boat, this 1965 fin-keel masthead sloop provides a stable 39.84 comfort ratio for offshore passages

Designed by Sparkman & Stephens.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin Keel

Is it for you?

Character

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

LivelySea-kindly

Her heavy displacement on a narrow beam gives 40 — a sea-kindly motion in a seaway.

Comfort ratio 40
CoastalBluewater

At 1.60 she sits well under the 2.0 line — a solidly ocean-capable hull for her size.

Capsize screening 1.60
LightHeavy

415 — very heavy for her waterline, a serious load-carrying cruiser.

Displacement / length 415
EasygoingPowered-up

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

Sail area / displacement 15.6
TenderStiff

40% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 40%

Built heavy and sea-kindly — a boat made to cross oceans and forgive a rough night.

  • Narrower than ~78% of boats her size on file

Compared with 2956 boats of the same type within a quarter of her length.

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
40.5%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
15.6
Displacement / length
414.6
Comfort ratio
39.8
Capsize screening
1.60
Hull speed
6.9 kn
Pounds / inch immersion
957
Hull
Hull type
Fin Keel
Construction
Fiberglass
Production
Years built
First built 1965
Units built
30
Designer
Sparkman, Stephens
Builder
Grampian Marine Ltd

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.

Hunter Marine 3711.28 mSame hull familyNear-identical lengthA John E. Cherubini-designed cutter featuring a fin keel and spade rudder, built for stable cruising since 1978
Endeavour 3711.28 mSame hull familyNear-identical lengthA masthead sloop born from a lengthened Creekmore 34 hull, offering a stable, comfortable platform for coastal cruising
Hunter Marine 37.5 Legend11.28 mSame hull familyNear-identical lengthA fractional sloop designed for coastal cruising, balancing a stable 36% ballast ratio with a shallow 1.45m draft
Gin Fizz 3711.40 mSame hull familyNear-identical lengthA versatile Michel Joubert design offered in ketch or sloop rigs and multiple cockpit configurations.
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
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

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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