Amak Island is an uninhabited island in Aleutians East Borough, Alaska, United States. The island lies north of the western tip of the Alaska Peninsula, and northwest of the mainland city of Cold Bay. The island's land area is 5.828 square miles (15.09 km2) and its maximum elevation is 1,601 feet (488 m). The island's volcano, Mount Amak, last erupted in 1796.