The South coast 21 is a 21.0ft fractional sloop designed by Carl Alberg and built in fiberglass by South Coast Seacraft Co. since 1965.
300 units have been built.
The South coast 21 is a heavy sailboat which is a high performer. It is reasonably stable / stiff and has a low righting capability if capsized. It is best suited as a racing boat.
Main features
| Model | South coast 21 | ||
| Length | 21 ft | ||
| Beam | 6.92 ft | ||
| Draft | 3 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? |
Ratios
| Sail area / displ. | 20.81 | ||
| Ballast / displ. | 31.25 % | ||
| Displ. / length | 303.42 | ||
| Comfort ratio | 14.38 | ||
| Capsize | 2.20 |
Hull
| Hull type | Monohull fin keel | ||
| Construction | Fiberglass | ||
| Waterline length | 14.33 ft | ||
| Maximum draft | 3 ft | ||
| Displacement | 2000 lbs | ||
| Ballast | 625 lbs | ||
| Hull speed | 5.07 knots |
Rigging
| Rigging | Fractional Sloop | ||
| Sail area (100%) | 206 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 80.30 sq.ft | ||
| Sail area main | 126 sq.ft | ||
| I | 22 ft | ||
| J | 7.30 ft | ||
| P | 24 ft | ||
| E | 10.50 ft |
Engine
| Nb engines | 1 | ||
| Total power | 0 HP | ||
| Fuel capacity | 0 gals |
Accommodations
| Water capacity | 0 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 |
Builder data
| Builder | South Coast Seacraft Co. | ||
| Designer | Carl Alberg | ||
| First built | 1965 | ||
| Last built | 0 | ?? | |
| Number built | 300 |