Ozaukee County

I-43 North

Ozaukee County, the small northern suburban county along Lake Michigan, anchored by Mequon (the county's largest city), Cedarburg, Grafton, Port Washington (the county seat on Lake Michigan), Thiensville, and Saukville. Cedarburg has one of Wisconsin's most charming historic downtowns with restored 19th-century stone mill buildings along Cedar Creek. Port Washington is a historic Lake Michigan port city with a restored downtown and marina.