The Gulfstar 53 ms is a 53.0ft masthead ketch designed by V. S. Lazzara and built in fiberglass by Gulfstar Yachts between 1971 and 1975.
27 units have been built.
The Gulfstar 53 ms is a light sailboat which is under powered. It is not stiff and has an excellent righting capability if capsized. It is best suited as a bluewater cruising boat. The fuel capacity is excellent. There is an excellent water supply range.
Main features
| Model | Gulfstar 53 ms | ||
| Length | 53 ft | ||
| Beam | 15 ft | ||
| Draft | 4.50 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? | 
Ratios
| Sail area / displ. | 12.08 | ||
| Ballast / displ. | 11.36 % | ||
| Displ. / length | 186.21 | ||
| Comfort ratio | 37.70 | ||
| Capsize | 1.70 | 
Hull
| Hull type | Monohull fin keel shoal draft | ||
| Construction | Fiberglass | ||
| Waterline length | 47.25 ft | ||
| Maximum draft | 4.50 ft | ||
| Displacement | 44000 lbs | ||
| Ballast | 5000 lbs | ||
| Hull speed | 9.21 knots | 
Rigging
| Rigging | Masthead Ketch | ||
| Sail area (100%) | 937 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 506.33 sq.ft | ||
| Sail area main | 455 sq.ft | ||
| I | 53.58 ft | ||
| J | 18.90 ft | ||
| P | 45.50 ft | ||
| E | 20 ft | 
Engine
| Nb engines | 1 | ||
| Total power | 130 HP | ||
| Fuel capacity | 400 gals | 
Accommodations
| Water capacity | 400 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 | 
Builder data
| Builder | Gulfstar Yachts | ||
| Designer | V. S. Lazzara | ||
| First built | 1971 | ||
| Last built | 1975 | ||
| Number built | 27 | 
 
                         
                                                     
                                     
                                         
                                         
                                         
                                         
                                         
                                        