Columbia County is in Alleghenies & Valleys Pennsylvania. Of the 67 counties in the Keystone State, Columbia County ranks 46th in terms of size (313,702 acres). The most common type of land for sale by combined acreage in Columbia County is residential property. Browse all waterfront property for sale in Columbia 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!