
ISOLA 34
Specifications
Hull
| LOA | 32.78 ft |
| LWL | 27.23 ft |
| Beam | 11.65 ft |
| Draft | 6.23 ft |
| Displacement | 8,378 lb |
| Ballast | 3,197 lb |
| Hull speed1.34·√LWL | 7.0 kn |
About the ISOLA 34
Designed by Fontana Maletto Navone and built by Politi Costruzioni Nautiche (IT) from 1981–2010, the Isola 34 is a robust fractional sloop with a displacement of 8378.0 lb and a comfort ratio of 17.03. While the exact hulls built count is unknown, the fleet is characterized by a heavy, stable platform with a capsize ratio of 2.3, favored for its traditional Italian build quality and spacious interior.
- Best for:
- This boat suits coastal cruisers and those seeking a comfortable, stable platform for shorthanded cruising, given its moderate sail area/displacement ratio of 24.71 and substantial ballast of 3197.0 lb. It is well-suited for owners who prioritize interior volume and ease of handling over high-performance racing metrics.
- Bluewater capability:
- With a displacement of 8378.0 lb and a low capsize ratio of 2.3, the Isola 34 is well-suited for offshore passages, provided critical structural integrity is verified. Its heavy displacement and fin keel design offer stability in heavy weather, though potential keel smile issues require careful inspection.
- Comparables:
- Comparable boats include the Nauticat 343 and the Beneteau 343, which share similar fractional sloop rigs and displacement ranges from the same era. These vessels offer similar interior layouts and cruising-oriented performance profiles, making them direct competitors in the 30-35 foot cruising market.
Performance
ORC Performance Data(2 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 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | 24 |
|---|---|---|---|---|---|---|---|---|---|
| 52° | 4.1 | 5.4 | 6.2 | 6.5 | 6.7 | 6.8 | 6.8 | 6.9 | 6.8 |
| 60° | 4.4 | 5.6 | 6.3 | 6.7 | 6.8 | 7.0 | 7.0 | 7.1 | 7.1 |
| 75° | 4.6 | 5.8 | 6.4 | 6.8 | 7.0 | 7.2 | 7.3 | 7.4 | 7.5 |
| 90° | 4.4 | 5.7 | 6.4 | 6.8 | 7.1 | 7.3 | 7.5 | 7.8 | 8.0 |
| 110° | 4.3 | 5.7 | 6.5 | 7.0 | 7.3 | 7.7 | 8.0 | 8.4 | 8.8 |
| 120° | 4.1 | 5.5 | 6.4 | 6.9 | 7.3 | 7.7 | 8.1 | 8.9 | 9.6 |
| 135° | 3.5 | 4.9 | 6.0 | 6.6 | 7.0 | 7.4 | 7.8 | 8.8 | 10.6 |
| 150° | 2.9 | 4.2 | 5.3 | 6.1 | 6.6 | 7.0 | 7.3 | 7.9 | 9.0 |
| Beat VMG | 2.6 | 3.5 | 4.3 | 4.7 | 4.8 | 4.9 | 5.0 | 4.9 | 4.8 |
| Run VMG | 2.5 | 3.6 | 4.5 | 5.3 | 5.8 | 6.2 | 6.5 | 7.1 | 7.8 |
Pricing
We don't have market pricing data for the ISOLA 34 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 32.78ft LOA. Actual costs vary by condition, usage, and local rates.
Known Issues & Pre-Purchase Inspection
10 reported issues across 7 systems for the ISOLA 34, compiled from owner reports in sailing forums and owner-association material.
Unlock the full inspection report
Thinking of buying a ISOLA 34? 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 10 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
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Used sails that fit the ISOLA 34
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