Of 24 counties in the Free State, Calvert County ranks 21st in terms of size (345 square miles). Calvert County is in Southern Maryland. There is 1,000 acres of recreational land and property for sale in Maryland's Calvert County based on recent Land Network data. The combined market value of farms, hunting land and other rural land and acreage for sale here is about $200,000. Browse all recreational property for sale in Calvert County 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. The most common type of land for sale by combined acreage in Calvert County is residential property.