Bahama 30 vs Islander 40
How do the Bahama 30 and Islander 40 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
| Bahama 30 | Islander 40 | |
|---|---|---|
| Length overall | 29.9 ft9.12 m | 39.5 ft12.05 m |
| Waterline length | 24.6 ft7.49 m | 30.8 ft9.40 m |
| Beam | 10.0 ft3.05 m | 11.8 ft3.61 m |
| Draft | 5.0 ft1.52 m | 7.2 ft2.19 m |
| Displacement | 8,230 lb3,733 kg | 17,000 lb7,711 kg |
| Ballast | 3,130 lb1,420 kg | 7,700 lb3,493 kg |
| Sail area | 450 ft²41.8 m² | 734 ft²68.2 m² |
| SA / Displacement | 17.66 | 17.76 |
| Displacement / Length | 247 | 259 |
| Comfort ratio | 22.6 | 29.3 |
| Capsize screening | 1.98 | 1.84 |
| Hull speed (kn) | 6.6 | 7.4 |
Bahama 30 vs Islander 40: the short version
- The Islander 40 is the larger boat at 39.5 ft12.05 m LOA versus 29.9 ft9.12 m for the Bahama 30.
- The Islander 40 is heavier, displacing about 107% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Islander 40 carries the more powerful rig (17.8 vs 17.7), favouring lighter-air performance.
- The Islander 40 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Islander 40 rates better for offshore work (1.84 vs 1.98).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.