Of 56 counties in the state, Musselshell County is 35th in terms of its size (1,871 square miles). Musselshell County is in Southeast Montana. The total value of approximately 9,000 acres of riverfront homes and property recently listed for sale in Montana's Musselshell County was approximately $17 million. Browse all waterfront property for sale in Musselshell 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 Musselshell County is undeveloped land.