Sullivan County is in Northeast Mountains Pennsylvania. Of the 67 counties in the Keystone State, Sullivan County is 50th in terms of its size (289,596 acres). Recent Land Network data totals about 2,000 acres of recreational land for sale in Pennsylvania's Sullivan County, which is valued at a combined $4 million. The average price of recreational acreage for sale in Sullivan County was $698,650. Browse all recreational property for sale in Pennsylvania 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.