Of 56 counties in the Treasure State, Carbon County ranks 33rd by size (2,061 square miles). Carbon County is in Yellowstone Country Montana. Carbon County, Montana, has 1,000 acres of riverfront land for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was almost $3 million. Browse all waterfront property for sale in Carbon 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 Carbon County is house.