Grand Harbor Resort and Waterpark 3.0 (reviews)

Dubuque, IA Water Fun Unclaimed Last Updated: 2025

About Grand Harbor Resort and Waterpark

There is something magical about indoor waterparks, where fun and excitement abound no matter the weather outside. Grand Harbor Resort & Waterpark in Dubuque, Iowa, offers an incredible 25,000 square feet of water-filled adventure that promises a splashing good time for the whole family!

One of the standout features of the Grand Harbor Resort is its host of water attractions designed to thrill and entertain guests of all ages. For those who crave a rush of adrenaline, the water slides and tube rides are not to be missed. They're perfect for families looking to share laughter and excitement as they twist and turn down the watery paths.

Active kids will find their paradise on the rope ladders and water chutes, where they can climb, splash, and play to their heart's content. The water cannons and squirt guns offer endless opportunities for friendly water battles, making it a dream come true for energetic youngsters!

If you prefer a more relaxed experience, the Lazy River provides the perfect setting to float leisurely and soak up the lively atmosphere. Meanwhile, the activity pools offer a fantastic space for kids to engage in fun games and activities, ensuring they remain entertained for hours on end. And for those seeking a bit of relaxation, the two giant hot tub whirlpools offer a soothing escape.

One of the most exciting attractions at Grand Harbor is the four-story splash from the Huck Finn II Treehouse, where 350 gallons of water cascade down every eight minutes. It's a thrilling spectacle that promises to drench anyone daring enough to stand beneath its mighty flow!

For even more fun, the Watersquirts Kids Club is a hub of family activities, providing entertainment and engagement for the young and young at heart. Whether you’re seeking action-packed thrills or leisurely relaxation, Grand Harbor Resort & Waterpark is a perfect choice for a family day out.

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How much does it cost?

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Adults $12 - $18

Children $10 - $14

Free Under TBC

Last Update 2025

Discount Some days $5 special. $5/$10 spectator

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Grand Harbor Resort and Waterpark FAQ’s

How does the resort ensure a safe environment for families?

Safety is their top priority, with clear rules and height restrictions to ensure everyone has a fun and secure experience.

What are some must-see attractions at the waterpark?

Be sure to experience the thrilling water slides, the relaxing Lazy River, and the exciting four-story splash for unforgettable fun.

Are there any changing facilities available for families with infants?

The resort offers baby changing facilities to ensure comfort and convenience for families with little ones.

What dining options are available at the waterpark?

The Lunchbox Cafe offers a variety of tasty treats including pizza, mac n cheese, hot dogs, pretzels, and sweet delights for all ages.

What is a must-do activity for kids at the resort?

Don't miss the "cave" filled with arcade games—a perfect break from water fun for kids of all ages!

What kind of birthday packages does the resort offer?

The resort provides special birthday packages with customizable options to make celebrations memorable and fun for kids.

What educational programs are available for school visits?

The resort can tailor special packages for school trips, offering educational insights into water safety and fun activities.

How can families make healthy food choices during their visit?

Consider bringing bottled water to stay hydrated and ask about healthier options at the onsite cafes.

What assistance is available for families with special needs?

Guests with special needs can speak to staff upon arrival for personalized assistance and accommodations.

What other amenities can families enjoy at the resort?

In addition to water attractions, the resort offers a fitness center, spa services, and a gift shop for souvenirs.