Dubuque, Iowa Water Park

The greatest onsite Iowa Water Park around

 Please view our Waterpark November Rate Calendar

View the Waterpark Concessions Menu.
View our 2018 Operating Calendar.

Bugging Out for 2019 – New Year’s Eve Party

 Waterpark open to Hotel Guests only from 2pm-1pm New Year’s Eve

 Crawl, slither, inch or squirm to the Grand Harbor’s Bugging Out for 2019 New Year’s Eve Party! Enjoy crafts & activities for kids of all ages!

 Schedule of Events in the Waterpark:

 5pm – Splash Bash Begins

5:30pm – Bug Toss Game

6pm – Honey Relay Game

6:30pm – Worm Pudding Eating Contest
7:30pm – Spider Egg Toss

8pm – Don’t Catch the Cootie Bug Game

8:30pm – Ants in Your Pants

9pm – Pinata!

10pm – Count Down to New Year’s “Bug-et Dump”

 

Waterpark Gift Cards

Stop in or call 866-690-4006 today to purchase your hotel gift card!

Cave Arcade

Be sure to visit the “Cave,” our huge interactive game room, with all of your favorite video and arcade games, including the Wheel of Fortune, Whack-a-Mole and Ski Ball. Collect tickets to redeem for prizes at our prize redemption center.

Seasonal Hours for the Arcade are:

Thursday – 4:00 p.m. to 9:00 p.m.
Friday – 8:00 a.m. to 10:00 p.m.
Saturday – 8:00 a.m. to 10:00 p.m.
Sunday – 8:00 a.m. to 9:00 p.m.
Closed - Monday, Tuesday and Wednesday

Please call 1-866-690-4006 for daily hours

Birthdays and Groups

Birthday Party Packages

Call Tony Roma's at 563-690-3249 to book your party

$200 Superstar Package ($250 on Saturdays and Grand Harbor Holidays)

  • Choice of (24) chicken tenders or two two-topping pizzas
  • Two platters of french fries                                                        
  • Two pitchers of soda (Coke, Diet Coke, Sprite, Root Beer, Orange Fanta, Cherry Coke and Lemonade)
  • (13) cookie sundaes
  • 10 swimmer's Admissions
  • 2 Free Adults/Chaperones
  • Free Birthday Child
  • Reserved seating inside the waterpark (two hour increments)

All Star Package $150.00 ($190 on Saturdays and Grand Harbor Holidays)

  • 10 swimmer's Admissions
  • 2 Free Adults/Chaperones
  • Free Birthday Child
  • Reserved seating inside the waterpark

Add Ons

  • $19.99 (12) Chicken tenders
  • $7.00/Pitcher of soda              
  • $1.00/Cookie sundae
  • $30.00/Birthday cake
  •  Private Banquet room available

Pizza Add Ons

  • One topping - $14.00                                          
  • Two toppings - $16.00
  • Three toppings - $18.00
  • Specialty (Meat Lovers, Supreme, Veggie, Hawaiian, BBQ Chicken) - $24