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.

Specials & Packages

Incredible Value for Your Dubuque Visit

Treat yourself to great savings with one of our exclusive packages. Whether you’re planning a successful business meeting or a fun family vacation, Grand Harbor Resort & Waterpark is sure to have a deal that’s perfect for you.

We update our specials and packages regularly, so be sure to check our site often. You can also stay informed by signing up for our mailing list.

* Starting rates do not include taxes and service fees and are based on two adults/two children. Subject to availability. If package code does not appear, call 866-690-4006 for best available rate.

Friday Only:

  • One night stay in a deluxe room
  • $25.00 gift card to Tony Roma’s
  • Two Dubuque Food and Wine tickets for November 4th
  • Complimentary shuttle within the down town Port of Dubuque area
  • Welcome Gift


Package is based on double occupancy and availability includes taxes.


Friday & Saturday:

  • Two night stay in a deluxe room
  • $25.00 gift card to Tony Roma’s
  • Two Dubuque Food and Wine tickets for November 4th and 5th
  • Complimentary shuttle within the downtown and Port of Dubuque area
  • Welcome Gift


Package is based on double occupancy and availability includes taxes.


 Port of Dubuque Has It All Package

The Port of Dubuque is your playground with this all inclusive adult package. Enjoy an overnight stay, a winetasting for two at Stone Cliff Winery with a complimentary bottle of wine of your choice, $10 per person in FREE slot play and a buffet dinner for two at the Diamond Jo Casino!  Leave your car in the parking lot for the duration of your stay because all of these business are located within walking distance in the Port of Dubuque. This package is based on two adults. Package available on select dates Sunday – Thursday.


Dinosaur Exhibit Museum Package 

Dive into adventure with this inclusive National Mississippi River Museum & Aquarium Package. Explore all the natural wonders of the Museum & Aquarium in addition to their summer 2016 Premier Exhibit: Dinosaurs Unearthed. This package includes room, waterpark access, passes to the National Mississippi River Museum & Aquarium, as well as the passes to the Dinosaur Exhibit.  This package is based on 4 people.  Available on select dates. Reserve your time for the Dinosaur Exhibit when you arrive at the museum.

The Hospitality You Deserve

The Grand Harbor Hotel caters to corporate travelers with many exclusive amenities. We offer a corporate rate Sunday through Thursday.

Complimentary breakfast in Tony Roma's

Complimentary Wi-Fi Access

Complimentary Airport Shuttle

Complimentary Parking

Complimentary drink ticket

Business Center

Complimentary fitness room

If you travel to Dubuque more than 10 times per year, contact our sales staff at 563-690-3242 to inquire about our special rate and exclusive benefits!

Dive into the Port of Dubuque with this value package, which includes waterpark passes and a two consecutive-day pass to the National Mississippi River Museum & Aquarium for all registered guests.  Book today & enjoy the #1 attraction in the state of Iowa!

Rates starting at $129 Sunday – Thursday, $149 Friday & $169 Saturday.  Packages are limited and based on availability.  Rates are subject to tax & service fee.

Reserve Now:

 Also, here is the link to book for the Spring Break Package:

 Reserve Now:

Roll the Dice Package

Sunday through Thursday book our "Roll the Dice" to receive a deluxe room for two, breakfast in Tony Roma's, $10.00 free play at Diamond Jo and a special in-room gift! Plus one FREE bottle of White Zinfandel with a paid tasting for two at Stone Cliff Winery. Don't forget our free shuttle to the Diamond Jo!

Ask about discounts for National Mississippi River Museum and Cherry Lanes!

Some restrictions apply, not valid on previous reservations and based on availability. $10.00 in free play is one per person up to two people in a room. If you book the Roll the Dice package multiple nights you only recieve  one $10  per person coupon in free play for the entire stay.

In-Room Birthday Package

Package includes:

8" Round cake with Birthday Child's Name on it, 40 Arcade Tokens, Door Banner, $20.00 Concession Voucher in waterpark and Birthday Child's Name on Marquee! Just add $60.00 to your room rate.

Must be booked two weeks in advance. $60.00 non refundable payment