BoatsOyster Marine 54 (Humphreys)

Oyster Marine 54 (Humphreys)

Cutter · Fin Keel w/bulb · First built 2005

A Rob Humphreys-designed bluewater cutter featuring a high sail-area-to-displacement ratio and versatile keel options

Designed by Rob Humphreys.

LOA
Beam
Draft (max)
Displacement
Hull type
Fin Keel w/bulb

See her sail

The Oyster Marine 54 (Humphreys), 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 moderate displacement on a narrow beam gives 39 — a sea-kindly motion in a seaway.

Comfort ratio 39
CoastalBluewater

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

Capsize screening 1.73
LightHeavy

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

Displacement / length 212
EasygoingPowered-up

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

Sail area / displacement 20.4

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

  • Heavier than ~89% of boats her size on file
  • Draws more than ~77% of boats her size on file
  • Beamier than ~84% of boats her size on file

Compared with 1250 boats of the same type within a quarter of her length.

What the fleet has seen

The Oyster Marine 54 (Humphreys), as the fleet has seen it

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

The Oyster Marine 54 (HUMPHREYS) is a 16.4-meter cutter-rigged sailboat designed by Rob Humphreys and built by Oyster Marine Ltd. from 2005 to the present, featuring a fin keel with a bulb and a displacement of 21,314 kg. This model was offered with multiple draft options, including a standard 2.4-meter HPB keel, a shoal 1.83-meter HPB keel, and a centerboard variant with a 1.55-meter board-up draft and a 3.53-meter board-down draft. The model was later renamed the Oyster 545. Aboard SHALEN, an Oyster 54 completed the Oyster World Rally, covering 30,000 miles over three years.2:55 SARAH BELLE II, a 2009 model, features a white-painted Selden spar, hydraulic Reckmann furling genoa, and a 55-lb CQR anchor, with its rig inspected and partially rewired in 2019.2:05 Iridescent, a 2011 Oyster 54, received a 2023 rig upgrade to a Selden in-mast furling system and is powered by a 140-horsepower Yanmar engine.4:17 SHALEN, also a 2009 model, has a stone grey metallic Awlgrip hull, a painted Selden rig with in-mast furling, and a 110-horsepower Yanmar engine with approximately 4,500 hours.7:43 Interiors often feature American white oak, with systems like 7kW Onan generators, Bosch washer-dryers, and Raymarine navigation electronics.4:55

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Seen 4 times across 2 channels of the fleet.

Basemap © Wikimedia Commons · CC BY-SA 4.0

On the water

The Oyster Marine 54 (Humphreys) 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 Marine 54 (Humphreys) 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
20.4
Displacement / length
211.9
Comfort ratio
38.6
Capsize screening
1.73
Hull speed
9.1 kn
Pounds / inch immersion
2575
Hull
Hull type
Fin Keel w/bulb
Construction
Fiberglass
Ballast type
Lead
Production
Years built
First built 2005
Designer
Rob Humphreys
Builder
Oyster Marine Ltd

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.

Hylas 5416.48 mSame hull familyNear-identical lengthA German Frers-designed cutter with a high comfort ratio and bulb keel, built for stable, long-distance blue water cruising
Oyster 53 (Humphreys)16.41 mSame hull familyNear-identical lengthA Rob Humphreys-designed masthead sloop built for blue-water cruising with a high comfort ratio and stable hull form
Moody 5416.43 mSame hull familyNear-identical lengthA cutter-rigged 16.43-metre cruiser featuring a skeg-mounted rudder and a 34% ballast ratio for offshore stability
Hylas 5616.48 mSame hull familyNear-identical lengthA 2011 masthead sloop with a 21.51 sail area to displacement ratio, engineered for spirited offshore performance
Bluewater 56 (Frers)16.48 mSame hull familyNear-identical lengthA former Hylas 56 design featuring a fin keel and skeg-hung rudder, built for stable, high-displacement offshore travel
Hallberg-Rassy 5016.34 mSame hull familyNear-identical lengthA German Frers-designed bluewater cruiser featuring a modern fractional rig, dual rudders, and a high-stability hull

The family

Boats like this

Nearby designs by size, type, and era — worth a look alongside her.

Keep asking

The fleet has more to say

Search what's been said about the Oyster Marine 54 (Humphreys), or ask a specific question — the answer comes back written out, with links to the moments it draws on.

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