Of 62 counties in the Empire State, Delaware County is eighth in terms of its size (1,467 square miles). Delaware County is in Southern New York. A recent survey of Land Network data includes around 1,000 acres of riverfront property for sale in New York's Delaware County, which is valued at a combined $750,000. Browse all waterfront property for sale in Delaware County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Delaware County is house.