Of 83 counties in the Mitten State, 4 million-acre Keweenaw County ranks first by size. Keweenaw County is in the Upper Peninsula Michigan region. Michigan's Keweenaw County includes roughly 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was around $5 million. The average price of residential land for sale in Keweenaw County was $757,833. Browse all residential land and rural property for sale in Michigan to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.