For reservations call: 866-690-4006

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Grand Harbor

Notice of Park Hours

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.

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News and Updates at the Grand Harbor Resort

The Grand Harbor Resort & Waterpark occasionally notifies guests on our email list about exclusive vacation packages, seasonal promotions, local Dubuque events, and news about the resort.

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