Of 56 counties in the state, Treasure County ranks 53rd by size (984 square miles). Treasure County is in Southeast Montana. Montana's Treasure County has approximately 1,000 acres of riverfront homes and property for sale based on recent Land Network data. The combined market value of farms, ranches, hunting land and other land for sale here was approximately $2 million. Browse all waterfront property for sale in Treasure 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 Treasure County is ranches.