San Juan 48 MS
| Length | |
| Hull Type | Fin w/ Rudder on Skeg |
| Rigging Type | Masthead Ketch |
| LOA | 47.83' (14.58m) |
| S.A. | 1107 sq ft (102.84 m2) |
| Beam | 13.92' (4.24m) |
| Displacement | 30000 lbs / 13608 kgs |
| Ballast | 9400 lbs / 4264 kgs |
| Designer | George Steers/Ed Monk |
| First Built | 1980, |