List of islands in Isle Royale National Park
The following is a list of islands in Isle Royale National Park. Located in Lake Superior, Isle Royale is the second largest island in the Great Lakes system, after only Manitoulin Island in Lake Huron. At 206.7 mi² (535.4 km²), Isle Royale is the third largest island in the contiguous United States after Long Island and Padre Island. The island and the surrounding islands and waters make up Isle Royale National Park for a total area of 209 sq mi² (542 km²) of above-water territory.
Isle Royale National Park consists of one large island (Isle Royale) surrounded by over 450 smaller islands, although only approximately 110 of these islands are formally named. While Isle Royale National Park contains no permanent population and is governed by the National Park Service, the territory itself is part of Keweenaw County. The northern half of the park is administered locally by Houghton Township, while the southern half is part of Eagle Harbor Township.
The following five islands are located within inland lakes on the island of Isle Royale. They are by definition islands in lakes.
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