Venango County is in Great Lakes & Wilds Pennsylvania. Of the 67 counties in the Keystone State, Venango County is 32nd in terms of its size (682 square miles). The most common type of land for sale by combined acreage in Venango County is house. Browse all waterfront property for sale in Venango 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!