There was a combined around $21 million of farms, hunting land and other rural land and acreage for sale in Michigan's Mackinac County recently on Land.com. The total size of all Mackinac County farms and rural real estate for sale was approximately 3,000 acres. Mackinac County ranks 76th out of 83 counties in the state for the total number of acres of land currently advertised for sale. Of all farms and rural real estate for sale in Mackinac County, Hessel featured the most land for sale. Based on its natural assets, tourism and recreation contribute significant revenue toward Mackinac County's overall GDP. Mackinac County is one of the ten largest counties in Michigan (2,100 square miles). It's located in the Upper Peninsula Michigan region of the state.