10 Largest Indoor Water Parks in the United States, Ranked 2022

Finding the largest indoor water parks in the United States isn’t difficult when you know which factors to consider.

The best thing about water parks is – that they provide plenty of fun in a safe environment and are the perfect way to spend time with the whole family.

They are also perfect for families who are looking for a unique way to bond and get everyone out of their comfort zones.

These largest indoor water parks in the country are great alternatives to go to when you’re craving a beach vacation but don’t have the time or money.

They are full of slides, wave pools, and lazy rivers, plus comfy hotels that make it easy for your family to get some shuteye after a long day on the water slides.

Since many indoor water parks cater to younger kids, it’s hard to cut out the older ones from the fun.

What is the Largest Indoor Water Park in the US?

The largest indoor water park in the US is the Kalahari Resort in Sandusky, Ohio.

The facility covers 125,000 square feet and features rides and slides like the Tanzanian Twister, a six-story water slide with a 360-degree loop; the Big Rush, a free-fall speed slide; and The Flow Rider, a surfing simulator that creates a wave that riders can bodyboard or surf on.

There are also activities for young children like miniature slides and splash buckets.

When you need to take a break from the thrills, there’s an interactive 3D theatre or you can lounge around in one of the resort’s many indoor or outdoor pools.

Other amenities at the resort include a spa with treatments available for adults and children; multiple dining options including buffet, casual and fine dining; meeting facilities for business or social events; and an arcade.

Accommodations include 513 suites ranging from a standard studio to two-bedroom suites large enough to accommodate up to eight people.


Related: The 10 Largest Man-Made Lakes In The US


10 Largest Indoor Water Parks in the US

There are a variety of indoor water parks in the United States, ranging from smaller family-run hotels to large resorts with multiple water parks in one building.

Here are the top 10 largest indoor water parks in the United States.

1. DreamWorks Water Park — New Jersey

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Located just 16 miles outside of Manhattan, the indoor water park is one of the largest in the country, with more than 40 water slides and attractions.

It’s part of a larger entertainment complex that also features a Nickelodeon theme park, an ice rink, and a range of retail stores and restaurants.

The new water park offers something for everyone, including thrilling water slides like “King Julien’s Beach Party-Go-Round,” which takes visitors on a ride through the rainforest canopy before “falling” into a wave pool.

There are also plenty of rides for younger children, including “Puss in Boots’ Sword Slide,” which allows them to “slide down a giant sword into Puss in Boots’ boot.”

American Dream Mall is located on Route 120 in East Rutherford, New Jersey.

The new water park joins other attractions such as Nickelodeon Universe Theme Park and Big SNOW indoor ski and snowboard park.

2. Wilderness Resort — Wisconsin Dells

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The Wilderness Resort in Wisconsin Dells, Wisconsin, is one of the largest indoor water parks in the United States.

It contains four large indoor water parks and four outdoor water parks.

The resort also has 14 restaurants and eateries, two children’s play areas, and a hotel with over 500 rooms.

Located just outside of Wisconsin Dells, Wilderness Resort is one of the largest indoor water parks in the United States.

The park features a variety of attractions for visitors of all ages, including a wave pool, lazy river, and a four-story treehouse with dozens of water slides.

There are also plenty of spots for visitors to relax. The park features several hot tubs, as well as a lounge area with a large fireplace and TV screens.

Wilderness Resort’s new self-contained condos are perfect for families looking to enjoy large amounts of space.

The condos feature one, two, and three-bedroom options that can sleep up to eight people comfortably.

The condos include a full kitchen, dining area, and living room to create the ultimate family experience.

3. Kalahari Water Park — Round Rock, Texas

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Kalahari Water Park Resort is one of the largest indoor water parks in the United States located in Round Rock, Texas.

Slide down the Anaconda, zip down the Python, or take a ride on the Rippling Rhino along with many other thrilling attractions for kids of all ages.

There are multiple play areas for toddlers, lots of lounging spots for parents, and even a wave pool that will have you feeling like you’ve been transported to the ocean!

A visit to Kalahari Water Park Resort in Round Rock is so much more than just a day of splashing around.

It’s the ultimate family getaway, with something for everyone to enjoy. With an amazing suite of amenities like thrilling water slides and rides, an award-winning spa, challenging ropes course an epic laser tag arena, there’s plenty to experience at this Texas resort and convention center.

With so much to see and do, you’ll want to stay overnight and make a weekend out of it. Choose from deluxe guest rooms or themed suites that sleep up to 8 people with full kitchens!

4. Kalahari Water Park — Pocono Mountains, Pennsylvania

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Kalahari Water Park is one of the largest indoor water parks in the United States, and it’s located in the Pocono Mountains in Pennsylvania.

It opened to the public in 2015, and it has 220,000 square feet of water attractions.

Most people who go to enjoy a day at Kalahari Water Park are going to stay a night or two in one of their lodges or hotels.

The hotel features a lazy river, an indoor spa pool, and multiple water slides that drop over 55 feet.

Some of the longer slides are 450 feet long and will take you on twists and turns along the way.

No matter what kind of water ride you’re looking for, you can find it at this park.

The park also features an outdoor section that opens during the summer months.

This area includes a wave pool with 1-foot-high waves that break every four minutes.

There are also private cabanas available for rent all year round where your family can sit back and relax together.

5. Kalahari Water Park — Sandusky, Ohio

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The Kalahari Resort in Sandusky, Ohio, is the largest indoor water park in the U.S. The park offers access to a variety of slides, a wave pool, and an activity for anyone who loves water.

The Kalahari Resort also offers a variety of other activities, including an arcade and spa services.

Children under 48 inches tall are not permitted on certain slides and rides.

The height minimums are marked at each ride entrance. If a child is found to be too short, they will be asked to get off the ride.

Stainless steel palm trees welcome you to the resort, and even though you’re walking through a giant warehouse in the middle of Ohio, you’ll forget that you’re anywhere else but a tropical paradise once you step inside.

From the music playing overhead to the sounds of the different waterfalls throughout the park, everything about Kalahari transports you away from reality.

6. Kalahari Water Park — Wisconsin Dells

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The Kalahari Resort in Wisconsin Dells is the largest indoor waterpark resort in the United States.

And with a name like Kalahari, it’s hard to miss what you’re going to find at this resort: sand, lots of it.

But if you’re not a fan of sand, don’t worry. The sand isn’t here — it’s just the name of the park itself.

The Kalahari Resort is an African-themed water park and resort that brings together all sorts of things from Africa.

Including the colors, food, and even the animals from this continent that have become a popular theme for many resorts around the world.

7. Aquatopia Water Park — Poconos Mountains, Pennsylvania

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When you think of a water park, you might picture a sunny day out with the kids.

But that’s not always the case! Aquatopia Water Park is one of the United States’ largest indoor water parks.

It’s where you and your family can enjoy thrilling waterslides and kid-friendly pools.

The water park is located in the Pocono Mountains of Pennsylvania and features over 125,000 square feet of fun.

There are 13 waterslides, a lazy river, a wave pool that has waves every hour on the hour, and a zero-depth entry pool.

The resort features two floors of kid-friendly attractions, including zero-depth entry pools, splash pads, and interactive play areas.

When you’re not splashing around inside Aquatopia, there are plenty of other things to do at Camelback Resort & Spa.

Take in the stunning mountain views while horseback riding or go on an outdoor adventure with a mountain bike ride through the woods.

If you’re looking for more relaxation, stop by the spa for a massage or facial treatment.

8. Avalanche Bay — Boyne Mountain Resort, Michigan

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Avalanche Bay is the largest indoor water park in Michigan and one of the largest in the United States.

It is part of Boyne Mountain resort and offers plenty of options to keep kids busy, including slides, a lazy river, wave pools, and more.

Kids can also engage in fun activities like mini-golf and laser tag.

This water park appeals to all ages, with thrilling rides for adults and plenty of playful attractions for children.

The centerpiece of Avalanche Bay is its 88,000 square foot wave pool with a beach-style entry.

Four-foot tall waves make it an ideal spot for beginners and more experienced swimmers alike.

Other popular features of the water park include classic waterslides like the Big Rig Run, lazy river, and a kids’ play area with smaller slides and a splash pad.

For travelers who use our international travel planner, Boyne Falls holidays become easier to arrange, with trips to the Avalanche Bay Indoor Waterpark and other attractions mapped out and timetabled.

9. Great Wolf Lodge — Wisconsin Dells

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Great Wolf Lodge is one of the largest indoor water parks in the United States, with locations in Washington, California, Kansas, Minnesota, Michigan, Ohio, Pennsylvania, and Texas.

It is part of Great Wolf Resorts Inc., a Wisconsin Dells-based company that operates a family resort chain.

With its family-friendly activities and amenities, Great Wolf Lodge is a popular destination for those looking to stay at a resort and play at an indoor water park.

Each Great Wolf Lodge location has a thematic element to it. For example, the Pocono Mountains location has a rustic theme, while the Gurnee location features a Northwoods lodge theme.

These themes are reflected in the hotel’s interior design and decorations, as well as in its activities, such as campfires and scavenger hunts.

Children can enjoy numerous activities inside the resort itself, including bowling and arts and crafts.

Outside of the water park area, there are also miniature golf courses at several locations.

10. Chula Vista — Wisconsin Dells

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This resort is one of the largest indoor water parks in the United States. It includes an 80,000 square-foot indoor water park and 20 acres of outdoor activities.

The resort has a lazy river, water slides, bumper boats, go-karts, batting cages, and mini-golf.

There’s even an on-site spa for when you want to get away from it all.

The St. Croix River is just outside the resort’s doors, so you can enjoy swimming, boating, or fishing if you prefer to be outdoors.

With a variety of room types and accommodations, there’s something for everyone at this resort.

In addition to hotel rooms and condos, the resort offers luxury villas with kitchens, bedrooms, and living rooms for those who want more space during their stay.

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