Of 83 counties in the state, Cass County ranks 83rd by size (508 square miles). Cass County is in Southwest Michigan. The total value of nearly 1,000 acres of beachfront homes and property recently listed for sale in Cass County, Michigan, was nearly $600,000. Browse all waterfront property for sale in Cass County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Cass County is house.