There was a combined nearly $6 million of land for sale in Suffolk County, Massachusetts, recently on Land.com. The total of all Suffolk County land and rural real estate for sale was around 3,000 acres. Suffolk County ranks 14th in the Bay State based on the combined acreage of land for sale of all the counties in the Bay State. Of all farms, rural land, hunting land and other land for sale in Suffolk County, Boston had the most land for sale. Suffolk County is the 14th biggest county (120 square miles) in Massachusetts. It's located in the Northeast Massachusetts region of Massachusetts.