Catalina 16.5 vs Catalina 27
How do the Catalina 16.5 and Catalina 27 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Catalina 16.5 
Catalina 27 | Catalina 16.5 | Catalina 27 | |
|---|---|---|
| Length overall | 16.3 ft4.98 m | 26.8 ft8.18 m |
| Waterline length | 15.7 ft4.78 m | 21.8 ft6.63 m |
| Beam | 7.0 ft2.13 m | 8.8 ft2.69 m |
| Draft | 4.4 ft1.35 m | 4.0 ft1.22 m |
| Displacement | 430 lb195 kg | 6,850 lb3,107 kg |
| Ballast | —— | 2,700 lb1,225 kg |
| Sail area | 150 ft²13.9 m² | 342 ft²31.8 m² |
| SA / Displacement | 42.13 | 15.17 |
| Displacement / Length | 50 | 297 |
| Comfort ratio | 3.1 | 25.0 |
| Capsize screening | 3.71 | 1.86 |
| Hull speed (kn) | 5.3 | 6.2 |
Catalina 16.5 vs Catalina 27: the short version
- The Catalina 27 is the larger boat at 26.8 ft8.18 m LOA versus 16.3 ft4.98 m for the Catalina 16.5.
- The Catalina 27 is heavier, displacing about 1493% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Catalina 16.5 carries the more powerful rig (42.1 vs 15.2), favouring lighter-air performance.
- The Catalina 27 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Catalina 27 rates better for offshore work (1.86 vs 3.71).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.