False Pass (Isanax̂ in Aleut) is a city in Aleutians East Borough, Alaska, United States. False Pass is an early English name for Isanotski Strait on which the city of False Pass is located. The strait was called "False Pass" by early American sailing ship captains because it was thought to be impassable for their deep draft vessels at the northern end. A salmon cannery was built on the Unimak Island side of the strait in 1919 which provided the nucleus for the modern settlement. A U.S. post office with the name of False Pass was established in 1921 which gave official status to the community. Commercial fishing for salmon, cod, halibut and crab continues to be the core of the community's lifestyle and economy.