BoatsCornish Shrimper 21

Cornish Shrimper 21

Gaffhead Sloop · Keel/centreboard · First built 2015

A gaff-rigged keel-centerboard cruiser designed for shoal water versatility with a modern, easily handled sail plan

Designed by R. Dongray, D. Thomas & Roger Dongray.

LOA
Beam
Draft (max)
Displacement
Hull type
Keel/Cbrd.

Is it for you?

Character

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

TrailerableBeam 2.39 m — inside the 2.55 m no-permit tow width across most of Europe, and the 2.59 m US and Canadian limit. About 1,400 kg of hull, so roughly 2,000 kg on a trailer: check that against your own towing rating.Shoal draftDraws 0.56 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LivelySea-kindly

Her light displacement on a moderate beam gives 14 — a quick, lively motion that feels every wave.

Comfort ratio 14
CoastalBluewater

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

Capsize screening 2.15
LightHeavy

172 — light for her waterline, so she is easily driven and quick to accelerate.

Displacement / length 172
EasygoingPowered-up

19.1 — plenty of sail for her weight; lively and quick to respond.

Sail area / displacement 19.1

Light and lively — happiest day-sailing and coastal-hopping in settled weather.

The record

Full specifications

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

Dimensions
Weights
Rig & sail area
Rig
Gaffhead Sloop
Ratios
SA / displacement
19.1
Displacement / length
172.2
Comfort ratio
14.3
Capsize screening
2.15
Hull speed
6.0 kn
Pounds / inch immersion
560
Hull
Hull type
Keel/Cbrd.
Construction
Fiberglass
Ballast type
Mixed Iron/Lead
Production
Years built
First built 2015
Designer
R. Dongray, D. Thomas, Roger Dongray
Builder
Cornish Crabbers

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.

O'day 23-1 (Lift Top)7.01 mSame hull family0.6 m shorterA popular C. Raymond Hunt-designed masthead sloop featuring a unique lift-top coach roof for added cabin headroom
Cal Boats 247.43 mSame hull familyNear-identical lengthThe inaugural Jensen Marine Cal model, this fractional keel-centerboard sloop was built for shoal-water versatility
Chrysler Marine 226.71 mSame hull family0.9 m shorterA 6.7-metre masthead sloop produced as the C-22 and T-22 Sandpiper, featuring a swing keel for shallow-water access
O'day 23-26.93 mSame hull family0.6 m shorterA masthead keel-centerboard sloop produced in Brazil and the U.S. for over a decade as a popular coastal cruiser
Hunter Marine 226.78 mSame hull family0.8 m shorterA masthead-rigged trailerable cruiser with a keel-centerboard configuration for flexible draft and coastal access

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

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Nothing filmed of this one yet

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