Of 83 counties in the Great Lakes State, Sanilac County ranks 18th in terms of size (1,589 square miles). Sanilac County is in East Central Michigan. Sanilac County, Michigan, has 1,000 acres of ranches for sale based on recent Land Network data. The combined market value of farms and rural land for sale here was around $2 million. Browse all Sanilac County ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg. The most common type of land for sale by combined acreage in Sanilac County is house.