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, 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 of above-water territory.
Isle Royale National Park consists of one large island 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.| Island | Coordinates |
| Amygdaloid Island | |
| Annie Island | |
| Arch Island | |
| Bailey Island | |
| Barnum Island | |
| Bat Island | |
| Battleship Island | |
| Beaver Island | |
| Belle Isle | |
| Bobs Island | |
| Booth Island | |
| Bottle Island | |
| Boys Island | |
| Burnt Island | |
| Burnt Island | |
| Captain Kidd Island | |
| Castle Island | |
| Cemetery Island | |
| Center Island | |
| Channel Island | |
| Chippers Island | |
| Clay Island | |
| Cork Island | |
| Davidson Island | |
| Dean Island | |
| Diamond Island | |
| Dog Island | |
| Eagle Island | |
| East Caribou Island | |
| Edwards Island | |
| Emerson Island | |
| Fire Island | |
| Fisher Island | |
| Flag Island | |
| Fryett Island | |
| Gale Island | |
| Glenns Island | |
| Grace Island | |
| Green Island | |
| Green Isle | |
| Gull Islands | |
| Hat Island | |
| Hawk Island | |
| Heron Island | |
| Hog Island | |
| Horn Island | |
| Horner Island | |
| Howe Island | |
| Inner Hill Island | |
| Inner Island | |
| Isle Royale | |
| Johns Island | |
| Johnson Island | |
Islands within an island
The following five islands are located within inland lakes on the island of Isle Royale. They are by definition islands in lakes.
| Island | Body of water | Coordinates |
| Birch Isle | Lake Richie | |
| Eagle Nest Island | Siskiwit Lake | |
| Hastings Island | Lake Richie | |
| Ryan Island | Siskiwit Lake | |
| Teakettle Island | Siskiwit Lake | |
