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131data points analyzed by Sailpages.com to compile this OYSTER 55 buyer’s report
OYSTER 55

OYSTER 55

Oyster Marine Ltd.🇬🇧· Design: Holman & Pyle
$385,900 avg$318,600 – $420,000 (3 listings)from 198655 built
$5.6K – $15K est. annual maintenance
Bluewater CruisermonoCutterFin

Specifications

Hull

LOA56.25 ft
LWL45.43 ft
Beam15.75 ft
Draft7.5 ft
Displacement51,000 lb
Ballast13,227.7 lb
Material56’ 4”17.15 m
Hull speed1.34·√LWL9.0 kn

Accommodation

Cabins4
Berths8
Heads2
Water290.6 L
Fuel158.5 L
CE categoryN/A€

About the OYSTER 55

Earlier boats were called the OYSTER 53.

Performance

Comfort41.2
Capsize1.70
SA/Disp18.6
Disp/Len243
Bal/Disp26.2

ORC Performance Data(1 certificate)

Measured performance data from ORC (Offshore Racing Congress) certificates.

Polar Diagram

2468100°30°60°90°120°150°180°WIND
6kn8kn10kn12kn14kn16kn20knbeat VMGrun VMG

Boat speed (kn) vs. true wind angle. Source: ORC

Racing Ratings

GPH606.7 s/miOSN586.9

Triple Number

LowMedHighOffshore0.92691.27431.4881Inshore0.70700.99811.2066

ORC Measured

Displacement23089 kg (50911 lb)Wetted surface62.8 m² (676 ft²)

Sail Areas (ORC)

Main60.6 m² (652 ft²)Genoa69.9 m² (752 ft²)Asymmetric186.7 m² (2009 ft²)

Speed Table (kn)

TWA \ TWS681012141620
52°5.06.16.97.68.18.48.6
60°5.46.57.38.08.48.78.9
75°5.86.87.78.38.78.99.2
90°5.76.97.98.68.89.09.4
110°5.87.08.18.79.19.49.8
120°5.66.98.08.69.09.410.0
135°5.06.37.38.28.89.19.8
150°4.25.46.47.28.08.49.0
Beat VMG3.23.94.55.05.45.65.8
Run VMG3.64.65.56.36.97.38.3

Market Price

Low
$318,600
Average
$385,900
High
$420,000
Based on 3 listings across 4 marketplaces

Estimated Cost of Ownership

Based on 56.25ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$5.6K – $15K
Hull, rigging, sails, engine service
Annual Docking
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Annual Insurance
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Articles & Reviews

Known Issues & Pre-Purchase Inspection

We don't have enough data on the OYSTER 55yet to publish model-specific findings we'd stand behind — but here's a free general inspection checklist, built from our research into what actually goes wrong on boats of this kind.

Drawn from 7,029 documented issues across 2,391 models, ordered so the areas that most often turn up problems come first.

1Structural & Bulkheads9732Standing Rigging6403Deck & Topsides6404Keel & Keel Bolts5535Rudder & Steering5086Hull & Bottom377
Free general pre-purchase checklist
25 survey areas — hull, keel, rig, engine, electrical and more. Take it aboard when you view any boat.

Own a OYSTER 55? Reports from owners are what turn this into a model-specific checklist — and they're the reason the boats above it have one.

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Which engine powers your OYSTER 55?

We haven't confirmed the engine for this model yet. If you own or know one, tell us — as owners report in, we build an accurate picture over time.

Already know your engine? Search all engines → to find its exact parts.

Used sails that fit the OYSTER 55

Checking eBay for sails sized to this boat's rig…