BoatsMiura 31

Miura 31

Masthead Sloop · Fin w/transom Hung Rudder · First built 1978

A successful South African racer-cruiser from 1978, featuring a masthead rig and a stiff fin-keel hull

Designed by Oswald Berkemeyer, built by Nebe Boatbuilders.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/transom Hung Rudder

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

Comfort ratio 27
CoastalBluewater

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

Capsize screening 1.82
LightHeavy

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

Displacement / length 218
TenderStiff

37% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 37%

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
37.4%
Rig & sail area
Rig
Masthead Sloop
Ratios
Displacement / length
217.6
Comfort ratio
26.6
Capsize screening
1.82
Hull speed
7.1 kn
Pounds / inch immersion
1000
Hull
Hull type
Fin w/transom hung rudder
Construction
Fiberglass
Production
Years built
First built 1978
Units built
250
Designer
Oswald Berkemeyer
Builder
Nebe Boatbuilders

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.

Nonsuch 309.24 mSame hull family0.2 m shorterA 30-foot cruiser with a 43% ballast ratio, offering a stable and stiff platform for coastal cruising
Spirit 329.48 mSame hull familyNear-identical lengthA Jacques De Ridder-designed IOR 23-footer built for nearly two decades as a stiff, masthead-rigged fin-keel sloop
Bavaria Yachts Cruiser 309.47 mSame hull familyNear-identical lengthA 9.47-metre fractional sloop from 2005, designed for manageable coastal cruising with a shallow 1.4-metre draft
Hunter Marine 319.55 mSame hull familyNear-identical lengthA Cortland Steck design featuring a B&R rig and a fin keel, built for coastal cruising between 1983 and 1987
Granada Yachts 309.18 mSame hull family0.3 m shorterA 30-foot fractional sloop with a 1.65-meter draft, designed for balanced, performance-oriented cruising
Maxi Yachts 959.50 mSame hull familyNear-identical lengthA 9.5-metre masthead sloop produced for a decade, featuring a skeg-hung rudder for predictable coastal handling

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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