The combined value of farms, rural land, hunting land and other land for sale in Suffolk County recently on Land.com was nearly $1 million. This represents around 100,000 acres of farms, rural land, hunting land and other land for sale in Suffolk County. Based on the combined acreage of land and rural property for sale here, Suffolk County has the most land for sale of the 14 counties in the Bay State. Of all farms, rural land, hunting land and other land for sale in Suffolk County, Boston featured the most land for sale. Suffolk County is the 14th largest county (120 square miles) in Massachusetts. It's located in the Northeast Massachusetts region of the state.