GULFSTAR 63
Specifications
Hull
| LOA | 63 ft |
| LWL | 51.5 ft |
| Beam | 16.18 ft |
| Draft | 6.83 ft |
| Displacement | 68,000 lb |
| Ballast | 22,997.6 lb |
| Hull speed1.34·√LWL | 9.6 kn |
About the GULFSTAR 63
The Gulfstar 63 is a substantial cruising ketch designed by R. C. Lazzarra and built by Gulfstar Yachts (USA) in 1986. With a displacement of 68000.0 lb and a comfort ratio of 46.96, this vessel represents a heavy, stable platform from a single production year.
- Best for:
- This boat is best suited for experienced coastal and offshore cruisers who prioritize motion comfort and stability over high-speed performance. Its masthead ketch rig and substantial displacement make it ideal for those seeking a relaxed, safe passage-making experience.
- Bluewater capability:
- With a capsize ratio of 1.59 and a D/L ratio of 222.25, the Gulfstar 63 demonstrates strong offshore suitability, offering excellent stability and resistance to capsizing in heavy weather.
- Comparables:
- Comparable vessels include other heavy-displacement ketches from the 1980s, such as the Hallberg-Rassy 43 or the Tartan 4400, which share similar design philosophies focused on seaworthiness and comfort. These boats are comparable due to their emphasis on robust construction and balanced sail plans for long-distance cruising.
Direct variant of the GULFSTAR 63
Near-identical models — same hull, builder and designer, re-badged or lightly changed. Specs and owner-reported issues are typically shared across the group, so a sister model's page may carry detail this one doesn't.
Performance
Pricing
We don't have market pricing data for the GULFSTAR 63 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 63ft LOA. Actual costs vary by condition, usage, and local rates.
Known Issues & Pre-Purchase Inspection
We don't have enough data on the GULFSTAR 63yet 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.
Own a GULFSTAR 63? Reports from owners are what turn this into a model-specific checklist — and they're the reason the boats above it have one.
Similar Sailboats
Which engine powers your GULFSTAR 63?
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 GULFSTAR 63
Checking eBay for sails sized to this boat's rig…