Make Sure The Park Is Open During Your Stay!
Grand Harbor Waterpark is open daily during spring break, summer & select holiday periods. The Park is closed Mondays, Tuesdays & Wednesdays during select seasons. Please view the Grand Harbor Waterpark Park Hours for complete details.
Take a video tour of Grand Harbor Resort & Waterpark to learn more about the experience that awaits.
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350 Bell Street, Dubuque, IA 52001