Of 56 counties in the Treasure State, Musselshell County ranks 35th in terms of size (1,871 square miles). Musselshell County is in Southeast Montana. There is about 9,000 acres of riverfront land for sale in Musselshell County, Montana, based on recent Land Network data. The combined market value of farms, ranches, hunting land and other land for sale here is approximately $18 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 residential property.