Stillwater County is in Yellowstone Country Montana. Of the 56 counties in the Treasure State, Stillwater County ranks 38th in terms of size (1 million acres). The total value of almost 1,000 acres of recreational land and property recently listed for sale in Stillwater County, Montana, was almost $3 million. The average price of recreational land for sale in Stillwater County was $489,580. Browse all recreational property for sale in Montana to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development.