BoatsCorvette 31 (C&C)

Corvette 31 (C&C)

Masthead Sloop · Keel/centreboard · 1966–1971

A masthead sloop from the C&C design stable featuring a deep-draft keel-centerboard configuration for versatile performance

Designed by C&C, built by Belleville Marine Yards.

LOA
Beam
Draft (max)
Displacement
Ballast
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.

Shoal draughtDraws 0.99 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LivelySea-kindly

Her heavy displacement on a narrow beam gives 28 — a moderate, middle-of-the-road motion.

Comfort ratio 28
CoastalBluewater

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

Capsize screening 1.78
LightHeavy

335 — heavy for her waterline, built to carry stores and ride steadily.

Displacement / length 335
EasygoingPowered-up

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

Sail area / displacement 17.1
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.

  • Heavier than ~77% of boats her size on file
  • Draws more than ~78% of boats her size on file

Compared with 416 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
46.8%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
17.1
Displacement / length
334.9
Comfort ratio
27.9
Capsize screening
1.78
Hull speed
6.4 kn
Pounds / inch immersion
730
Hull
Hull type
Keel/Cbrd.
Construction
Fiberglass
Production
Years built
1966–1971
Units built
171
Designer
C&C
Builder
Belleville Marine Yards, C&C Yachts

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.

Tartan Marine 34 C10.49 mSame hull family1.0 m longerA Sparkman & Stephens masthead sloop featuring a keel-centerboard hull designed for shoal water and IOR competition
Pearson Yachts 3510.67 mSame hull family1.2 m longerBoasting the longest production run of any Pearson model, this keel/centerboard sloop remained largely unchanged for 14 years
Paceship Yachts Westwind 247.29 mSame hull family2.2 m shorterA Ted Hood-designed masthead sloop with a keel-centerboard configuration, built for versatility in shoal waters
O'day 329.63 mSame hull familyNear-identical lengthA 9.6-metre masthead sloop with a deep-draft keel-centreboard configuration designed for versatile coastal cruising
Southerly 11010.82 mSame hull family1.3 m longerA Rob Humphreys-designed fractional sloop with a swing keel that allows for shallow-water exploration and drying out

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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