Yellowstone County is in Southeast Montana. Of the 56 counties in Big Sky Country, Yellowstone County is 23rd in terms of its size (2,648 square miles). Recent Land Network data totals almost 37,000 acres of recreational land for sale in Montana's Yellowstone County, which is valued at a combined $63 million. The average price of recreational property for sale in Yellowstone County was $6 million. 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.