Connecticut.

est. 1975 · 806 acres · Groton, New London County, Connecticut, on a peninsula between the Poquonnock River and Long Island Sound.

est. 1943 · 184 acres · East Haddam, CT (high above the east bank of the Connecticut River)

est. 1920 · 919 acres · Madison, CT (Long Island Sound shoreline)

est. 1924 · 1,500 acres · Hamden, CT (New Haven County; Mt. Carmel range)