Catalina 16.5 vs Catalina 36
How do the Catalina 16.5 and Catalina 36 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 36 | Catalina 16.5 | Catalina 36 | |
|---|---|---|
| Length overall | 16.3 ft4.98 m | 35.6 ft10.84 m |
| Waterline length | 15.7 ft4.78 m | 30.3 ft9.22 m |
| Beam | 7.0 ft2.13 m | 11.9 ft3.63 m |
| Draft | 4.4 ft1.35 m | 5.8 ft1.78 m |
| Displacement | 430 lb195 kg | 15,000 lb6,804 kg |
| Ballast | —— | 6,000 lb2,722 kg |
| Sail area | 150 ft²13.9 m² | 555 ft²51.6 m² |
| SA / Displacement | 42.13 | 14.60 |
| Displacement / Length | 50 | 242 |
| Comfort ratio | 3.1 | 26.8 |
| Capsize screening | 3.71 | 1.93 |
| Hull speed (kn) | 5.3 | 7.4 |
Catalina 16.5 vs Catalina 36: the short version
- The Catalina 36 is the larger boat at 35.6 ft10.84 m LOA versus 16.3 ft4.98 m for the Catalina 16.5.
- The Catalina 36 is heavier, displacing about 3388% 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 14.6), favouring lighter-air performance.
- The Catalina 36 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Catalina 36 rates better for offshore work (1.93 vs 3.71).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.