Kodiak Island is a large island on the south coast of the U.S. state of Alaska, separated from the Alaska mainland by the Shelikof Strait. The largest island in the Kodiak Archipelago, Kodiak Island is the second largest island in the United States and the 80th largest island in the world, with an area of 9311.24km2, slightly larger than Cyprus. It is 160km long and in width ranges from 10to. Kodiak Island is the namesake for Kodiak Seamount, which lies off the coast at the Aleutian Trench. The largest community on the island is the city of Kodiak, Alaska.Kodiak Island is mountainous and heavily forested in the north and east, but fairly treeless in the south. The island has many deep, ice-free bays that provide sheltered anchorages for boats. The southwestern two-thirds of the island, like much of the Kodiak Archipelago, is part of Kodiak National Wildlife Refuge.Kodiak Island is part of the Kodiak Island Borough and Kodiak Archipelago of Alaska. The town of Kodiak is one of seven communities on Kodiak Island and is the island's main city. All commercial transportation between the island and the outside world goes through this city either via ferryboat or airline. Other settlements include the villages of Akhiok, Old Harbor, Karluk, Larsen Bay, Port Lions, and an unorganized community near Cape Chiniak. The village of Ouzinkie on nearby Spruce Island is also part of the island community. Kodiak is also home to the largest U.S. Coast Guard base, which includes Coast Guard Base Kodiak, Coast Guard Air Station Kodiak, Communications Station Kodiak, and Aids to Navigation Station Kodiak.