BoatsOyster 655

Oyster 655

Cutter · Fin w/bulb & Spade Rudder · First built 2009

A Rob Humphreys-designed cutter built for high-performance bluewater cruising with a powerful sail area-to-displacement ratio

Designed by Rob Humphreys.

LOA
Beam
Draft (max)
Displacement
Hull type
Fin w/bulb & Spade Rudder

See her sail

The Oyster 655, on the water

The fleet's own footage — the truest look at how she really moves.

Footage from Berthon International

Is it for you?

Character

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

LivelySea-kindly

Her light displacement on a narrow beam gives 44 — a heavy, notably soft motion offshore.

Comfort ratio 44
CoastalBluewater

At 1.68 she sits well under the 2.0 line — a solidly ocean-capable hull for her size.

Capsize screening 1.68
LightHeavy

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

Displacement / length 172
EasygoingPowered-up

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

Sail area / displacement 21.5

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

  • Heavier than ~96% of boats her size on file
  • Draws more than ~86% of boats her size on file
  • Beamier than ~97% of boats her size on file

Compared with 439 boats of the same type within a quarter of her length.

What the fleet has seen

The Oyster 655, as the fleet has seen it

Derived from the videos the fleet has analysed of this model. ▶ marks open the moment aboard.

The Oyster 655 is a 20.0 m Rob Humphreys-designed cutter-rigged bluewater cruiser, built by Oyster Marine Ltd. and Landamores Yacht Builders since 2009. It features a fin keel with a bulb and spade rudder, displacing 38,999 kg with a 3.0 m draft. A shoal draft option of 2.21 m and a SuperShoal variant with a centerboard (1.82 m up, 4.3 m down) are available. The 2008 Oyster 655 *Salta*, designed to MCA Category 2 standards, has cruised the Mediterranean and completed an ARC Plus rally to Grenada.0:55 Aboard *Salta*, the Hall Spars carbon mast uses rod rigging, and Reckmann furlers were overhauled in 2023.5:44 The vessel's deck equipment includes Lewmar electric winches, a cockpit with a refrigerated table, and a Coltri dive compressor installed in 2025.7:00 Its interior features a 2022 Force 10 electric cooker, a 2023 100-liter-per-hour watermaker, and CruiseAir reverse-cycle air conditioning.9:52 The layout includes a full-beam saloon, a master suite with private deck access, and versatile guest cabins.8:49 The Perkins engine and Raymarine electronics were updated in 2025 and 2023, respectively.16:20

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Seen 3 times across one channel of the fleet.

Basemap © Wikimedia Commons · CC BY-SA 4.0

On the water

The Oyster 655 on video

What broke, what changed

Gear aboard, as the crews told it

Moments from individual boats of this model that the fleet has filmed — one crew, one piece of kit, one day on the water. Not a review of the class, and not a count of anything.

Each line is one crew's account of their own boat. Another Oyster 655 may be fitted out entirely differently.

What they go for

Market signal

Where the fleet has seen this model come up for sale.

1seen for sale

From the fleet's own footage — our observed signal, not broker listings.

The record

Full specifications

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

Dimensions
Weights
Rig & sail area
Rig
Cutter
Ratios
SA / displacement
21.5
Displacement / length
171.7
Comfort ratio
44.1
Capsize screening
1.68
Hull speed
10.4 kn
Pounds / inch immersion
3999
Hull
Hull type
Fin w/bulb & spade rudder
Construction
Fiberglass
Ballast type
Lead
Production
Years built
First built 2009
Designer
Rob Humphreys
Builder
Oyster Marine Ltd, Landamores Yacht Builders

Boats like this, on the water

More boats like her, on the water

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.

Oyster Marine 6219.30 mSame hull family0.7 m shorterA Rob Humphreys-designed cutter built on a semi-custom basis, offering a high comfort ratio for long-range blue water cruising
Two Cyclones, Stewed Chicken Feet, and the Coffee Aunties WHS145from Wind Hippie Sailing
Swan 66 S20.12 mSame hull family0.2 m longerA German Frers-designed masthead sloop developed for the Swan 40th anniversary, sharing its hull with the FD model
Nautor Swan 66 “GANESH” Yacht for Sale | Set Up For Easy Sailing | Tour with Simon Turner (v2)from Berthon International
Moody 6419.33 mSame hull family0.6 m shorterA Bill Dixon-designed cutter with a high comfort ratio, built for long-range cruising with a stable, heavy-displacement hull
[OFF MARKET] Moody 64 (MAISHA), with Simon Turner - Yacht for Sale - Berthon Internationalfrom Berthon International
Swan 6820.63 mSame hull family0.7 m longerA 20.63-metre masthead sloop produced for over a decade, balancing a 3.3-metre draft with a high comfort ratio
Nautor Swan 68 “TITANIA OF COWES” Yacht for Sale | Highly Capable Offshore | Tour with Tim Carbury0:29from Berthon International
Oyster 6820.57 mSame hull family0.6 m longerA Holman & Pye designed cutter built for serious blue-water passage making with a stable, skeg-mounted rudder
How We Get Paid to Sail in Paradise (Full-Time Boat Life)5:23from Untide
Jeanneau Yachts 6420.10 mSame hull familyNear-identical lengthA Philippe Briand-designed 20-metre fractional sloop built for high-comfort bluewater cruising
[OFF MARKET] Jeanneau 64 (LAYLA) with Sue Grant - Yacht for Sale - Exceptionally Well-Specified2:40from Berthon International

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.

Oyster 56A Rob Humphreys-designed bluewater cutter built for comfort and stability on long-distance passagesOyster Marine 82A 25-metre cutter featuring a fin keel and spade rudder, engineered for an 11-knot hull speed and high-performance passage makingOyster Marine 675A 21-metre masthead sloop featuring a deep 2.95-metre bulb keel and a high sail-area-to-displacement ratio for speedOyster Marine 745A Rob Humphreys-designed fractional sloop featuring a high-volume hull with dual rudders for stable, long-range cruisingOyster Yachts 595A 19-metre cruiser with a high comfort ratio of 40.21, engineered for stable, long-distance passage-makingOyster Marine 625A Rob Humphreys-designed masthead sloop built for high-performance blue water cruising with a stiff, comfortable motion

Keep asking

The fleet has more to say

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