Of 83 counties in the Mitten State, Keweenaw County ranks first in terms of size (5,966 square miles). Keweenaw County is in the Upper Peninsula Michigan region. A recent survey of Land Network data records about 1,000 acres of residential land and property for sale in Michigan's Keweenaw County, which is valued at a combined $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.