Mackinac Island Locator Map The most comprehensive map possible w x h . Mackinac Island General Map An easy print version of the trails, downtown, and hotels .w x h . Google Trek Interactive Tour. Mackinac Island Cross Country Ski Map Groomed trails abound courtesy of the Mackinac Island Ski Club . x h Mackinac .Mackinac Island m kn mak in aw is a city in Mackinac County in the U.S. state of Michigan. In the census, the city had a permanent population of , although there are thousands more seasonal workers and tourists during the summer months..