BoatsGrampian Marine 28

Grampian Marine 28

Masthead Sloop · Fin With Rudder On Skeg · First built 1975

A masthead sloop with a skeg-mounted rudder whose design and tooling were later utilised for the Cape Dory Intrepid 28

Designed by Rolf van der Sleen.

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 21 — a moderate, middle-of-the-road motion.

Comfort ratio 21
CoastalBluewater

2.00 — right around the 2.0 line, the edge between coastal and offshore.

Capsize screening 2.00
LightHeavy

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

Displacement / length 209
EasygoingPowered-up

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

Sail area / displacement 17.0
TenderStiff

44% of her weight is ballast — stiff, standing up well to her sails.

Ballast 44%

A balanced, easily-driven cruiser — comfortable and forgiving for coastal work.

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
44.4%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
17.0
Displacement / length
209.5
Comfort ratio
20.8
Capsize screening
2.00
Hull speed
6.6 kn
Pounds / inch immersion
832
Hull
Hull type
Fin with rudder on skeg
Construction
Fiberglass
Production
Years built
First built 1975
Units built
107
Designer
Rolf van der Sleen
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.

Aloha 288.53 mSame hull familyNear-identical lengthA masthead sloop with a 44% ballast ratio, offering a stable, traditional cruising platform built over 16 years
Pearson Yachts 28-28.67 mSame hull familyNear-identical lengthA William Shaw-designed masthead sloop featuring a fin keel and spade rudder, built as a modern successor to the original Pearson
Bristol Yachts 288.53 mSame hull familyNear-identical lengthAn IOR Half Ton racer with reduced stern overhang, serving as the performance-oriented predecessor to the Bristol 29.9
Maxi Yachts 848.54 mSame hull familyNear-identical lengthA 8.5-metre fin-keeler with a 45% ballast ratio, offering a stiff and stable platform for coastal sailing
Ranger Yachts 29 (Mull)8.71 mSame hull family0.2 m longerA 1970s masthead sloop with a skeg-hung rudder, offering a balanced 1.98 capsize screening for coastal cruising
Maxi Yachts Fenix 8.58.50 mSame hull familyNear-identical lengthA 1980s cruiser with a 1.5-metre bulb keel and spade rudder, designed for a balanced, stable coastal experience

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

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