For reservations call: 866-690-4006
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.
The Grand Harbor Resort & Waterpark looks forward to providing you with a proposal for your meeting or social event in Dubuque, IA.
Please take a few moments to fill out our Request for Proposal form and we will create a customized proposal.
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