Swan 115 vs Swan 53 Mk II
How do the Swan 115 and Swan 53 Mk II compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Swan 115 
Swan 53 Mk II | Swan 115 | Swan 53 Mk II | |
|---|---|---|
| Length overall | 107.7 ft32.84 m | 50.9 ft15.50 m |
| Waterline length | 107.7 ft32.84 m | 50.9 ft15.50 m |
| Beam | 26.6 ft8.12 m | 15.6 ft4.76 m |
| Draft | 11.5 ft3.50 m | 8.0 ft2.44 m |
| Displacement | 203,928 lb92,500 kg | 48,502 lb22,000 kg |
| Ballast | 70,547 lb32,000 kg | 18,078 lb8,200 kg |
| Sail area | 7,025 ft²652.6 m² | 1,426 ft²132.5 m² |
| SA / Displacement | 32.44 | 17.16 |
| Displacement / Length | 73 | 165 |
| Comfort ratio | 37.0 | 37.9 |
| Capsize screening | 1.81 | 1.71 |
| Hull speed (kn) | 13.9 | 9.6 |
Swan 115 vs Swan 53 Mk II: the short version
- The Swan 115 is the larger boat at 107.7 ft32.84 m LOA versus 50.9 ft15.50 m for the Swan 53 Mk II.
- The Swan 115 is heavier, displacing about 320% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Swan 115 carries the more powerful rig (32.4 vs 17.2), favouring lighter-air performance.
- The Swan 53 Mk II scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Swan 53 Mk II rates better for offshore work (1.71 vs 1.81).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.