Ozaukee County is in Southeast Wisconsin. Of the 72 counties in the Badger State, Ozaukee County ranks 17th in terms of size (714,364 acres). Browse all waterfront property for sale in Ozaukee 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 Ozaukee County is house.