Chester County is in Philadelphia & Countryside Pennsylvania. Of the 67 counties in the Keystone State, Chester County is 28th in terms of its size (759 square miles). The most common type of land for sale by combined acreage in Chester County is residential property. Browse all waterfront property for sale in Chester 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!