Statement of Significance (as of designation - October 9, 1960):
Mackinac Island's strategic location in the center of the Great Lakes and its striking natural beauty have combined to give it a role of outstanding importance in the development of the American economy and cultural values. Contains Fort Mackinac and many other buildings relating to the fur trade. American control of the island was secured by the Treaty of Ghent (1814). Northern headquarters of Astor's American Fur Company until 1840s.