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. Recent listings of riverfront land for sale in Montana's Musselshell County totals around 9,000 acres and a combined market value of almost $17 million. The most common type of land for sale by combined acreage in Musselshell County is house. 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 house.