Columbia 34 vs Columbia 34 Mark II
How do the Columbia 34 and Columbia 34 Mark II compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Columbia 34 
Columbia 34 Mark II | Columbia 34 | Columbia 34 Mark II | |
|---|---|---|
| Length overall | 34.0 ft10.36 m | 33.6 ft10.24 m |
| Waterline length | 23.6 ft7.19 m | 27.3 ft8.33 m |
| Beam | 9.9 ft3.02 m | 10.0 ft3.05 m |
| Draft | 8.0 ft2.44 m | 5.5 ft1.68 m |
| Displacement | 10,500 lb4,763 kg | 12,000 lb5,443 kg |
| Ballast | 4,200 lb1,905 kg | 4,700 lb2,132 kg |
| Sail area | 466 ft²43.3 m² | 526 ft²48.9 m² |
| SA / Displacement | 15.55 | 16.06 |
| Displacement / Length | 358 | 262 |
| Comfort ratio | 28.6 | 29.6 |
| Capsize screening | 1.81 | 1.75 |
| Hull speed (kn) | 6.5 | 7.0 |
Columbia 34 vs Columbia 34 Mark II: the short version
- The Columbia 34 and Columbia 34 Mark II are close in length (34.0 ft10.36 m vs 33.6 ft10.24 m ).
- The Columbia 34 Mark II is heavier, displacing about 14% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Columbia 34 Mark II carries the more powerful rig (16.1 vs 15.5), favouring lighter-air performance.
- The Columbia 34 Mark II scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Columbia 34 Mark II rates better for offshore work (1.75 vs 1.81).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.