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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.


Free Wi-Fi, a Thrilling Waterpark, and More at Our Dubuque Hotel

At the Grand Harbor Resort & Waterpark, we’re dedicated to providing you with superb amenities and efficient service – the little “niceties” that make you feel right at home.

While our fantastic location–in the Port of Dubuque, with views of Historic Downtown, the bluffs, and the Mississippi River – is arguably our most stunning feature, our resort also offers a wide range of other fantastic hotel amenities that will delight business travelers and families alike.

Enjoy delicious dining for breakfast, lunch, or dinner, as well as great happy hour specials, at the famous (and well-loved) Tony Roma’s Restaurant and Lounge, located right here at the resort. If you’re here to work, take advantage of our modern Business Center, as well as complimentary wireless Internet access throughout the hotel. Keep up with your exercise routine in our newly renovated 7th floor Fitness Center, with its awe-inspiring bluff views. And last but certainly not least, our exciting waterpark, with its thrilling waterslides, inside/outside tube ride, rope ladders, waterspouts, lazy river, activity pools, and two giant hot tub whirlpools, offers fantastic fun for the whole family.

The Grand Harbor Resort & Waterpark offers the following services and amenities:

  • Business Center
  • Complimentary wireless Internet
  • Complimentary local newspaper
  • Fitness Center
  • Free airport shuttle
  • Gift cards available
  • Tony Roma’s Restaurant, serving breakfast, lunch, and dinner
  • Waterpark