Active: 1970 – 1987
Founded by Richard Valdez and Vince Lazarra. (Most boats were designed by Vince Lazarra and his son Dick). The sailboat division was discontinued and the company was sold to Viking Yachts in 1987.
HIN: GFS
| Name | LOA (ft) | First Built | Last Built | Rig |
|---|---|---|---|---|
| CSY 42 PH | 42.33 | 1986 | — | Masthead Sloop |
| CSY 50 (PILOT HOUSE) | 50.08 | 1986 | — | Masthead Sloop |
| GULFSTAR 36 | 36.08 | 1983 | 1985 | Masthead Sloop |
| GULFSTAR 36 MS (TWIN CABIN) | 36 | 1971 | 1973 | Masthead Sloop |
| GULFSTAR 36 MS PH | 36 | 1971 | — | Masthead Sloop |
| GULFSTAR 37 | 37 | 1976 | 1979 | Masthead Sloop |
| GULFSTAR 39 SAILMASTER | 39.58 | 1981 | 1984 | Cutter |
| GULFSTAR 40 (CC) | 39.92 | 1980 | — | Masthead Sloop |
| GULFSTAR 40 (HOOD) | 40.17 | 1976 | 1978 | Masthead Sloop |
| GULFSTAR 40 SAILMASTER | 39.92 | 1980 | — | Masthead Sloop |
| GULFSTAR 41 | 41 | 1973 | 1975 | Masthead Sloop |
| GULFSTAR 42 (CSY 42 PH) | 42.33 | 1986 | — | Masthead Sloop |
| GULFSTAR 43 | 43.33 | 1976 | 1978 | Masthead Sloop |
| GULFSTAR 43 MS | 43.33 | 1971 | 1973 | Masthead Sloop |
| GULFSTAR 44 | 44.67 | 1978 | 1984 | Masthead Sloop |
| GULFSTAR 44 KTH | 44.67 | 1974 | — | Masthead Ketch |
| GULFSTAR 45 (HIRSCH 45) | 44.67 | 1985 | 1986 | Masthead Sloop |
| GULFSTAR 47 SAILMASTER | 47.42 | 1978 | 1981 | Masthead Ketch |
| GULFSTAR 50 | 50 | 1975 | 1980 | Masthead Sloop |
| GULFSTAR 50 SAILMASTER | 50 | 1982 | 1985 | Cutter |
| GULFSTAR 52 MS | 51.67 | 1980 | — | Staysail Ketch |
| GULFSTAR 53 MS | 53 | 1971 | 1975 | Masthead Ketch |
| GULFSTAR 54 SAILCRUISER | 54.5 | 1985 | 1986 | Masthead Ketch |
| GULFSTAR 60 | 60.5 | 1981 | 1986 | Cutter |
| GULFSTAR 63 | 63 | 1986 | — | Masthead Ketch |
| GULFSTAR 63 SAILCRUISER | 62.83 | 1985 | 1986 | Masthead Sloop |
| HIRSCH 45 (GULFSTAR) | 44.67 | 1985 | 1986 | Masthead Sloop |