Sledge Island, or Ayak Island, is a small island in the Bering Sea. It is located 5.3 mi (8.5 km) from the southwestern shore of the Seward Peninsula, off the shores of Alaska. Sledge island is of volcanic origin and is only 1.6 miles (2.6 km) across. The average elevation is 410 feet/125 meters. Administratively this island belongs to the Nome Census Area, Alaska. The island is 2.80 km (1.74 mi) long and 1.48 km (0.92 mi) wide. The island is part of the Bering Sea unit of the Alaska Maritime Nation