Geography | |
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Location | Moran Township, Mackinac County, Michigan |
Coordinates | 45°51′36″N 84°52′19″W / 45.860°N 84.872°W |
Adjacent to | Lake Michigan |
Area | 240 acres (97 ha) |
Highest elevation | 600 ft (180 m) |
Administration | |
St. Helena Island is an uninhabited 240 acres (97 ha) island in the Lake Michigan approach to the Straits of Mackinac.[1] The island is located offshore from Gros Cap, Michigan, 10 miles (16 km) west of Mackinac Island in Mackinac County in the U.S. state of Michigan.