Peter Hatfield is a Canadian designer who spent a few years working for Sparkman & Stephens before opening his office in the Pacific Northwest.
| Name | LOA (ft) | First Built | Last Built | Rig |
|---|---|---|---|---|
| DISCOVERY 32 | 32 | 1965 | — | Masthead Sloop |
| DISCOVERY 32-2 | 32.15 | 1974 | — | Masthead Sloop |
| DISCOVERY 37 | 37 | 1969 | — | Cutter |
| DISCOVERY 42 (HATFIELD) | 42 | 1967 | — | Masthead Sloop |
| DISCOVERY 47 | 47 | 1969 | — | Masthead Sloop |