Land for sale in Arenac County, Michigan, recently totaled $28 million and 1,000 acres. Arenac County ranks 70th out of 83 counties in the state for the combined amount of land currently advertised for sale. There were three properties listed as sold in Arenac County through the Land Network Comparable Sales Program. This represented a total value of $3,509,500. Au Gres featured the most land for sale. Based on its natural assets, tourism and recreation are important contributors to the Arenac County economy. Arenac County is Michigan's 46th biggest county (680 square miles). It's located in the East Central Michigan region of the state.