Sanak Island (Aleut: Sanaĝax[1]) is an island in the Fox Islands group of the Aleutian Islands in the U.S. state of Alaska. It is located at 54°25′47″N 162°42′32″W / 54.42972°N 162.70889°W.
Sanak Island and Caton Island are the largest islands in the Sanak Islands subgroup of the Fox Islands.
Travel to the island is currently done by fishing vessel. The trip takes about five hours to cross the roughly 40 mile distance from King Cove to Sanak.