Heceta Island (pronounced HECK–ah–Ta) is an island in the Alexander Archipelago of southeastern Alaska, United States. It lies just off the west coast of Prince of Wales Island. Kosciusko Island lies to its north, while Tuxekan Island lies to its northeast. Directly to its south are the Maurelle Islands group, while further south are Noyes Island, Lulu Island, and San Fernando Island. The island's area is 181.0 km² (69.88 sq mi).