Trepassey Bay is a natural bay located on the southeast end of the Avalon Peninsula of the island of Newfoundland, in the Canadian province of Newfoundland and Labrador.
Communities located in Trepassey Bay are; Trepassey, Biscay Bay and Portugal Cove South.
US Navy ships in Trepassey Bay c. 1919
Nautical chart of the Trepassey Bay, 1869
Coordinates: 46°40′N 53°20′W / 46.66°N 53.34°W