Bordered by Saylorville Lake and Big Creek State Park, Polk City also offers a diverse 4-season playground sure to appeal to any outdoor enthusiast. Over 4 million people visit the Polk City area each year. 5,400 area Saylorville Lake provides opportunities with two swimming beaches, a full service marina with docks and moorings for power and sailboats, modern camping and picnicking areas, fishing and hunting, snowmobiling, cross-country skiing, and more. Please visit the Army Corp of Engineers website for additional information: