Naperville Park District 500 W. Jackson Ave. Naperville, Ill. 60540 (630) 848-5000 www.napervilleparks.orgHours: May 24-Sept. 1, 2014. Call or check the website for times. Admission: $10, $6 residents, $3 after 5 p.m.; memberships available
This outdoor park features 4 acres of grass and trees, a sand beach, shallow-end slide, water play features, a diving complex and water depths ranging from 0-15 feet. Only U.S. Coast Guard-approved flotation devices are allowed.