Aquarius 21 vs Aquarius 23
How do the Aquarius 21 and Aquarius 23 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Aquarius 21 | Aquarius 21 | Aquarius 23 | |
|---|---|---|
| Length overall | 21.0 ft6.40 m | 22.7 ft6.91 m |
| Waterline length | 18.3 ft5.56 m | 21.2 ft6.45 m |
| Beam | 7.8 ft2.38 m | 7.9 ft2.41 m |
| Draft | 4.5 ft1.37 m | 4.6 ft1.40 m |
| Displacement | 1,900 lb862 kg | 2,280 lb1,034 kg |
| Ballast | 665 lb302 kg | 815 lb370 kg |
| Sail area | 163 ft²15.1 m² | 218 ft²20.3 m² |
| SA / Displacement | 17.00 | 20.14 |
| Displacement / Length | 140 | 107 |
| Comfort ratio | 9.9 | 10.3 |
| Capsize screening | 2.53 | 2.41 |
| Hull speed (kn) | 5.7 | 6.2 |
Aquarius 21 vs Aquarius 23: the short version
- The Aquarius 23 is the larger boat at 22.7 ft6.91 m LOA versus 21.0 ft6.40 m for the Aquarius 21.
- The Aquarius 23 is heavier, displacing about 20% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Aquarius 23 carries the more powerful rig (20.1 vs 17.0), favouring lighter-air performance.
- The Aquarius 23 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Aquarius 23 rates better for offshore work (2.41 vs 2.53).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.