Marshall 18
| Length | |
| Hull Type | Long Keel |
| Rigging Type | Cat Rig (Unstayed) |
| LOA | 18.5' (5.64m) |
| S.A. | 191.00 sq ft (17.74 m2) |
| Beam | 7.42' (2.26m) |
| Displacement | 2300 lbs / 1043 kgs |
| Ballast | 700 lbs / 317.51 kgs |
| Designer | Breckenridge Marshall |
| First Built | 1962 |
| Length | |
| Hull Type | Long Keel |
| Rigging Type | Cat Rig (Unstayed) |
| LOA | 18.5' (5.64m) |
| S.A. | 191.00 sq ft (17.74 m2) |
| Beam | 7.42' (2.26m) |
| Displacement | 2300 lbs / 1043 kgs |
| Ballast | 700 lbs / 317.51 kgs |
| Designer | Breckenridge Marshall |
| First Built | 1962 |