The island is a tourist Mecca during the summer months, but not much is open in the winter. In fact, almost nothing is open. 99% of the hotels, shops, etc. shut down at the end of October.
They'll all reopen in the spring.
From November to April pretty much all that's open is three restaurants / bars, two small hotels, one B&B, one grocery store, one drug store (though this year it is pitifully stocked,) the Medical Center, City Offices, Police Station, School, Airport, Tourism Bureau, and Public Library. We jokingly say that if Doud's (the grocery store) doesn't carry it, you really didn't need it after all. Because you ain't getting it until you get off the island. It isn't such a big deal now days, but 30 years ago there were people who almost never left the island. Now they knew how to stock up!
Speaking of getting off the island, three
completely insane, I mean very adventurous guys crossed the ice and drove their snowmobiles to St. Ignace earlier this week. (Three miles over lake Huron.) Rumor has it that there is only about three inches of ice. Yikes! You won't catch me out there out there on a several hundred pound snowmobile...... yet.