BoatsMorgan-Giles 30

Morgan-Giles 30

Masthead Sloop · Long Keel · 1965–1996

A long-keeled masthead sloop with a thirty-year production run, designed by Kenneth Collyer for steady, traditional cruising

Designed by Kenneth Collyer & Francis Charles Morgan-Giles.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Long 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 28 — a moderate, middle-of-the-road motion.

Comfort ratio 28
CoastalBluewater

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

Capsize screening 1.77
LightHeavy

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

Displacement / length 372
EasygoingPowered-up

14.7 — modest power for her weight; easygoing rather than lively, and happier with a breeze.

Sail area / displacement 14.7
TenderStiff

47% of her weight is ballast — stiff, standing up well to her sails.

Ballast 47%

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

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
47.4%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
14.7
Displacement / length
371.7
Comfort ratio
28.2
Capsize screening
1.77
Hull speed
6.2 kn
Pounds / inch immersion
659
Hull
Hull type
Long Keel
Construction
Fiberglass
Production
Years built
1965–1996
Units built
75
Designer
Kenneth Collyer, Francis Charles Morgan-Giles
Builder
Morgan-Giles Ltd, Somerset Plastics

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.

Pacific Seacraft Dana 248.31 mSame hull family0.8 m shorterA heavy-displacement W.I.B. Crealock cutter designed for offshore stability and serious coastal cruising
Falmouth Cutter 229.30 mSame hull family0.2 m longerA narrow-beamed 30-foot cruiser with a shallow 1.07-meter draft and a traditional long-keeled hull
Cape Dory 288.56 mSame hull family0.6 m shorterA classic Carl Alberg full-keel masthead sloop designed for steady, comfortable cruising
Cape Dory 278.25 mSame hull family0.9 m shorterA 1977-1985 production masthead sloop featuring a 40% ballast ratio for stability in a traditional full-keel hull
Alberg 309.22 mSame hull familyNear-identical lengthA 25-year production classic with a heavy displacement-to-length ratio that remains a capable choice for offshore passages
Cape Dory 30C9.21 mSame hull familyNear-identical lengthA cutter-rigged cruiser with a full keel and a 1.27-metre draft, built for steady performance between 1976 and 1987

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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