BoatsOyster Marine 625

Oyster Marine 625

Masthead Sloop · Fin w/bulb & Spade Rudder · First built 2015

A Rob Humphreys-designed masthead sloop built for high-performance blue water cruising with a stiff, comfortable motion

Designed by Rob Humphreys.

LOA
Beam
Draft (max)
Displacement
Hull type
Fin w/bulb & Spade 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 narrow beam gives 42 — a heavy, notably soft motion offshore.

Comfort ratio 42
CoastalBluewater

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

Capsize screening 1.71
LightHeavy

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

Displacement / length 182
EasygoingPowered-up

23.2 — a lot of sail for her weight; powered-up and eager, a real performer.

Sail area / displacement 23.2

A capable offshore cruiser with an easy motion when the sea gets up.

  • Heavier than ~94% of boats her size on file
  • Draws more than ~83% of boats her size on file
  • Beamier than ~95% of boats her size on file

Compared with 523 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
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
23.2
Displacement / length
182.2
Comfort ratio
41.9
Capsize screening
1.71
Hull speed
10.1 kn
Pounds / inch immersion
3607
Hull
Hull type
Fin w/bulb & spade rudder
Construction
Fiberglass
Production
Years built
First built 2015
Designer
Rob Humphreys
Builder
Oyster Marine

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.

Hallberg-Rassy 5718.44 mSame hull family0.9 m shorterA 18.44-metre flagship featuring a bulb keel and dual rudders for high-speed, stable long-distance cruising
Oyster Yachts 56518.09 mSame hull family1.3 m shorterA Humphreys-designed bluewater cruiser featuring a high-performance fractional rig, dual rudders, and a bulb keel
Jeanneau Yachts 5717.78 mSame hull family1.6 m shorterA Philippe Briand-designed bluewater cruiser built for comfort and stability on long-distance passages
Beneteau 5717.80 mSame hull family1.6 m shorterA high-performance Farr-designed cruiser featuring a powerful fractional rig and a balanced, stiff hull for fast passage-making
Amel 6019.00 mSame hull family0.4 m shorterA modern cutter-rigged bluewater cruiser from Berret-Racoupeau, designed for high-latitude comfort and long-range stability
Oyster 6820.57 mSame hull family1.2 m longerA Holman & Pye designed cutter built for serious blue-water passage making with a stable, skeg-mounted rudder

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.

Keep looking

Nothing filmed of this one yet

Two ways to keep looking — both search what the fleet has actually recorded.

The newsletter

New boats, new stories, from everywhere.

One email from the fleet — boats newly added, videos newly analyzed. No noise.

Report an issue