The island has a small town that allows for businesses and houses. Some people actually live there year round while the wealthy buy homes and visit during the summer. There are no cars allowed on the Island and people resort to walking, biking, and horseback riding.
You will need to ferry across to the Island from Mackinaw City or Saint Ignace. Most of the ferries leave about every half hour. Island workers are often either local, owners of the businesses or imported summer labor. The Island has a lot of things to do for families. Staying on the Island can be quite expensive so consider either of the two towns on the mainland.