Grampian Marine Ltd. Walton 37

BoatsGrampian Marine Ltd. Walton 37

See her sail

The Grampian Marine Ltd. Walton 37, on the water

The fleet's own footage — the truest look at how she really moves.

Footage from Sailing Yabá

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 39 — a sea-kindly motion in a seaway.

Comfort ratio 39

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

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

Displacement / length 404

EasygoingPowered-up

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

Sail area / displacement 15.9

TenderStiff

45% of her weight is ballast — stiff, standing up well to her sails.

Ballast 45%

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

Narrower than ~81% of boats her size on file

Compared with 2917 boats of the same type within a quarter of her length.

What the fleet has seen

The Grampian Marine Ltd. Walton 37, as the fleet has seen it

Derived from the videos the fleet has analysed of this model. ▶ marks open the moment aboard.

The Grampian Marine Ltd. Walton 37 is a 1964 Sparkman & Stephens-designed masthead sloop, also known as the Classic 37, with a fin keel. It measures 11.4 meters LOA, 3.1 meters in beam, and draws 1.8 meters, displacing 7438 kg. George P. Walton briefly advertised the design as the Walton 37 when it was introduced. Aboard *Sailing Yabá*, Ben gained sailing experience on a 37-foot Grampian, among other vessels.12:32

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Seen 2 times across one channel of the fleet.

Basemap © Wikimedia Commons · CC BY-SA 4.0

The record

Full specifications

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

Dimensions

Weights

Ballast / displacement

45.1%

Rig & sail area

Rig

Masthead Sloop

Ratios

SA / displacement

15.9

Displacement / length

403.9

Comfort ratio

39.0

Capsize screening

1.60

Hull speed

6.9 kn

Pounds / inch immersion

954

Hull

Hull type

Fin Keel

Construction

Fiberglass

Production

Years built

First built 1964

Units built

30

Designer

Sparkman, Stephens

Builder

Grampian Marine Ltd

Boats like this, on the water

More boats like her, on the water

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.

Cruising Consultants Crealock 3711.25 mSame hull familyNear-identical lengthA William Crealock-designed masthead sloop with a skeg-hung rudder, built for offshore stability and heavy-weather comfort

SPLASHED AT LAST!!! We're FINALLY floating! | Crealock 37 | Ep 40:29 from Sailboat Magazine

Rustler Yachts 3711.28 mSame hull familyNear-identical lengthA masthead sloop with a fin keel and skeg-hung rudder, designed by Stephen Jones for modern offshore cruising

Rustler 37 - A Yacht Delivery from Falmouth to Largs9:48 from Halcyon Yachts - International Yacht Delivery

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

Engine Failure - Stranded | SMLS S12E07 from Sailing Miss Lone Star

Irwin Yachts 37-111.28 mSame hull familyNear-identical lengthA masthead sloop designed by Ted Irwin as a no-compromise cruiser, featuring a fin keel and skeg-mounted rudder

Sailing in SEVENTY FOUR Knots3:48 from Be The Captain

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

Everyone Hates This Sailboat… So Why Do People Love It?2:20 from Lady K Sailing

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

Hallberg Rassy 37 - Yacht Review5:16 from Halcyon Yachts - International Yacht Delivery

The family

Boats like this

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

Grampian Marine Ltd. Classic 37Available with a yawl rig, this Sparkman & Stephens design offers a stable, heavy-displacement platform for cruising Grampian Marine Classic 37Offered as a bare hull or kit boat, this 1965 fin-keel masthead sloop provides a stable 39.84 comfort ratio for offshore passages Grampian Marine Classic 31A Peter Van Dine-designed cutter with a narrow beam and fin keel, built for stability and comfort since 1964 Grampian Marine 34A masthead ketch based on the Triangle 32, featuring a fin keel with a skeg-mounted rudder for steady cruising Swan 37An IOR 1-ton racer also marketed as the Palmer Johnson 37, featuring a masthead rig and a skeg-mounted rudder

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