Mackinac Island State Park

Mackinac Island State Park is a state park located on Mackinac Island in the U.S. state of Michigan. A Lake Huron island, it is near the Straits of Mackinac. The island park encompasses 1,800 acres (7.3 km²), which is approximately 80% of the island's total area. The park is also within the boundaries of the city of Mackinac Island and has permanent residents within its boundaries. M-185 circles the perimeter of the park as the only motorless highway in the state due to the island's ban of automobiles. The park is governed by the Michigan Department of Natural Resources and the Mackinac Island State Park Commission. On July 15, 2009, the park celebrated its 20 millionth visitor.