Sutwik Island is a 14-mile-long (22.5 km) island in the U.S. state of Alaska, located at 56°33′26″N 157°10′09″W / 56.55722°N 157.16917°W off the Alaska Peninsula, east of Chignik Bay. It is part of Lake and Peninsula Borough and the Alaska Peninsula unit of the Alaska Maritime National Wildlife Refuge.
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