The total value of farms and rural land for sale in Suffolk County, New York, recently on Land.com was around $6 billion. This represents approximately 100,000 acres of farms and rural land for sale in Suffolk County. Suffolk County ranks first in the Empire State for the combined amount of land currently advertised for sale. Among cities in Suffolk County with farms and rural land for sale, East Hampton featured the most land for sale. Based on its natural assets, Suffolk County's economy is dependent on tourism and recreation. Suffolk County is one of the ten biggest counties in New York (2,373 square miles). It's located in the Southern New York region of New York.