John Jacob Astor's American Fur Co. In the middle 1800's was the largest processing and distributing center of the Great Lakes. There has been a permanent settlement on Mackinac for over 300 years. It was active from 1780 to 1895. There are a few official vehicles, but are used only under special circumstances. Horse is king.
Bicycles are plentiful.
A second race is held from Port Huron to Mackinac Island on an alternate week.