Of 64 counties in the state, San Miguel County ranks 36th by size (1,288 square miles). San Miguel County is in Southwest Colorado. There is roughly 1,000 acres of riverfront land for sale in San Miguel County, Colorado, based on recent Land Network data. The combined market value of farms and ranches for sale here is roughly $100,000. Browse all waterfront property for sale in San Miguel 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 San Miguel County is residential property.