SUN FAST 31 (JEANNEAU)
Specifications
Hull
| LOA | 30.51 ft |
| LWL | 25.26 ft |
| Beam | 10.6 ft |
| Draft | 5.74 ft |
| Displacement | 6,834 lb |
| Ballast | 2,601.5 lb |
| Material | 18.0 |
| Hull speed1.34·√LWL | 6.7 kn |
Rig & Sails
| Pmainsail luff | 14.4 ft |
| Emainsail foot | 12.14 ft |
Accommodation
| Cabins | 2 |
| Berths | 4 |
| Heads | 5 |
| Water | 26.4 L |
| Fuel | 12.7 L |
| CE category | N/A€ |
About the SUN FAST 31 (JEANNEAU)
Shallow draft: 1.45m/4.76' (Deep lead keel available as an opt.) Based on SUN ODYSSEY 31, SUN LIGHT 30.
Direct variant of the SUN FAST 31 (JEANNEAU)
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
ORC Performance Data(4 certificates)
Measured performance data from ORC (Offshore Racing Congress) certificates.
Polar Diagram
Boat speed (kn) vs. true wind angle. Source: ORC
Racing Ratings
Triple Number
ORC Measured
Sail Areas (ORC)
Speed Table (kn)
| TWA \ TWS | 6 | 8 | 10 | 12 | 14 | 16 | 20 | 24 |
|---|---|---|---|---|---|---|---|---|
| 52° | 4.8 | 5.7 | 6.1 | 6.3 | 6.4 | 6.5 | 6.5 | 6.4 |
| 60° | 5.1 | 5.9 | 6.3 | 6.5 | 6.6 | 6.7 | 6.7 | 6.7 |
| 75° | 5.2 | 6.0 | 6.4 | 6.7 | 6.8 | 7.0 | 7.1 | 7.1 |
| 90° | 5.1 | 6.0 | 6.5 | 6.7 | 6.9 | 7.2 | 7.4 | 7.6 |
| 110° | 5.2 | 6.1 | 6.6 | 7.0 | 7.3 | 7.5 | 7.8 | 8.0 |
| 120° | 5.0 | 6.0 | 6.5 | 6.9 | 7.3 | 7.6 | 8.2 | 8.6 |
| 135° | 4.5 | 5.5 | 6.2 | 6.7 | 7.0 | 7.4 | 8.2 | 9.4 |
| 150° | 3.8 | 4.8 | 5.7 | 6.3 | 6.7 | 7.0 | 7.7 | 8.7 |
| Beat VMG | 3.2 | 3.8 | 4.3 | 4.5 | 4.5 | 4.5 | 4.5 | 4.3 |
| Run VMG | 3.3 | 4.2 | 5.0 | 5.6 | 6.2 | 6.6 | 7.2 | 7.9 |
Pricing
We don't have market pricing data for the SUN FAST 31 (JEANNEAU) 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 30.51ft LOA. Actual costs vary by condition, usage, and local rates.
Known Issues & Pre-Purchase Inspection
We don't have enough data on the SUN FAST 31 (JEANNEAU)yet 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 SUN FAST 31 (JEANNEAU)? 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 SUN FAST 31 (JEANNEAU)?
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 SUN FAST 31 (JEANNEAU)
Checking eBay for sails sized to this boat's rig…