OYSTER 66
Specifications
Hull
| LOA | 66.83 ft |
| LWL | 57.74 ft |
| Beam | 17.98 ft |
| Draft | 8.83 ft |
| Displacement | 87,633 lb |
| Hull speed1.34·√LWL | 10.2 kn |
About the OYSTER 66
The Oyster 66 is a substantial, heavy-displacement cruising yacht designed by Rob Humphreys and built by Oyster Marine, with a production run of 12 hulls completed in 2005. Its design emphasizes comfort and stability, evidenced by a high comfort ratio of 47.79 and a displacement of 87633.0 lb.
- Best for:
- This vessel is ideally suited for serious bluewater cruisers and families seeking a spacious, stable platform for long-range offshore passages, prioritizing comfort and safety over high-performance racing.
- Bluewater capability:
- With a low capsize ratio of 1.62 and a high D/L ratio of 203.23, the Oyster 66 exhibits excellent offshore stability and seaworthiness, making it highly capable for extended bluewater passages.
- Comparables:
- Comparable vessels include the Hallberg-Rassy 54 and the Swan 651, as they share similar heavy-displacement characteristics, robust construction, and a focus on offshore cruising capability from the mid-2000s era.
Performance
Pricing
We don't have market pricing data for the OYSTER 66 yet. If you own one, help other buyers — what did you pay for it? Reports build a community price estimate over time.
Estimated Cost of Ownership
Based on 66.83ft LOA. Actual costs vary by condition, usage, and local rates.
Known Issues & Pre-Purchase Inspection
2 reported issues across 2 systems for the OYSTER 66, compiled from owner reports in sailing forums and owner-association material.
Unlock the full inspection report
Thinking of buying a OYSTER 66? This is an in-depth report on the faults this model is known for — so you know exactly what to check when you walk the boat. For the price of a coffee.
- ✓ All 2 specific issues — severity, symptoms & fixes
- ✓ Model-specific pre-purchase inspection checklist
- ✓ Downloadable PDF to take to your surveyor — yours to keep
One-time $2.99 · secure checkout by Stripe · instant access · 30 days online, PDF yours to keep
Similar Sailboats
Which engine powers your OYSTER 66?
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 66
Checking eBay for sails sized to this boat's rig…