The Best Indoor and Outdoor Water Parks in Ohio

When you think of water slides and summer fun, Ohio might not immediately come to mind, but the state offers its fair share of pretty amazing water parks. They offer standalone outdoor water parks, such as Coney Island in Cincinnati, as well as outdoor water parks attached to amusement parks, such as Cedar Point Shores at the enormous Cedar Point. For year-round water slide fun, Ohio also boasts plenty of wonderful indoor water park resorts, including the enormous Kalahari in Sandusky. These are some of the best water parks in the state, both indoors and outdoors.

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Castaway Bay in Sandusky

Castaway Bay

Cedar Fair Entertainment Company

A part of Cedar Point's vast complex, Castaway Bay is open all year long. The park is medium-sized but is packed with a surprising number of attractions, including the "Rendezvous Run" uphill water coaster, the "Castawave Pool," water slides, an interactive water play structure, an activity pool, indoor/outdoor whirlpool spas, and a toddler's play area called the "Tadpole Pool," where children have to be under 52" to play. The park is open to registered hotel guests as well as the general public, and you can book a vacation package with the park that includes complimentary fountain beverages, length-of-stay parking, and access to the Cedar Point Beach along Lake Erie.

Castaway Bay, Sandusky, OH 44870, USA
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Cedar Point Shores in Sandusky

Cedar Point Shores

Cedar Fair Entertainment Company

This huge outdoor water park, sitting on around 18 acres of land, is also a part of Cedar Point. It requires separate admission from the amusement park and offers an abundance of fun rides suitable for the entire family. Attractions include the Cedar Creek lazy river, which is about 1,200 feet long, the Breakwater Bay wave pool, launch chamber water slides, body slides, tube slides, and more. For families visiting, stop by SplasH20, a multi-story, interactive play area that includes seven water slides, and more than 100 different ways to get wet.

1 Cedar Point Dr, Sandusky, OH 44870, USA
Phone +1 419-627-2350
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Coney Island in Cincinnati

Coney Island water park Ohio
Courtesy of Coney Island

No, not that Coney Island. This Cincinnati park boasts the famous Sunlite Pool, which was built in 1925 and is billed as the world's largest recirculating pool. There are water slides and other wet attractions as well, including a floating obstacle course called "The Challenge Zone," the family-friendly Typhoon Tower, which has 73 interactive play stations, and a pool exclusively for diving and cannonballing. The park used to include amusement rides, but they have since been removed. Coney Island does offer mini-golf and paddle boats on Lake Como, cabana rentals, and swim lessons.

6201 Kellogg Ave, Cincinnati, OH 45230, USA
Phone +1 513-232-8230
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Great Wolf Lodge at Kings Island in Mason

Great Wolf Lodge at Kings Island
Courtesy of Great Wolf Lodge

The Great Wolf Lodge at Kings Island in Mason is a family-friendly park and features a fun, forest theme. Attractions include 11 water slides, an uphill water coaster, a bowl ride, a family raft ride, a wave pool, a lazy river, an interactive water play center with a tipping bucket, and two whirlpool spas. It is located adjacent to the Kings Island amusement park. When the park is open, guests can walk to its front gate from the hotel. Day passes for the water park start at $50 per person, with free admission for children under two.

2501 Great Wolf Dr, Mason, OH 45040, USA
Phone +1 800-913-9653
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Great Wolf Lodge Sandusky

Great Wolf Lodge Sandusky
Courtesy of Great Wolf Lodge

This park is open to Great Wolf Lodge resort guests and day visitors. Features include tube slides, body slides, activity pools, two whirlpool spas, a lazy river, kids' play areas, an interactive play structure with a tipping bucket, and an aqua rock-climbing wall. Like the Mason location, day passes for this park are also $50 per person with free admission for children under two.

4600 Milan Rd, Sandusky, OH 44870, USA
Phone +1 800-641-9653
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Hiawatha Water Park

Hiawatha Water Park

City of Mount Vernon

A small municipal facility, the Hiawatha Water Park pool includes two water slides, a play structure for young children with a small slide, and a pool for general swimming and laps. The pool is open from noon to 7 p.m. daily, and the daily rate to enter the park is $8 per person, with price adjustments for children between one and five and senior citizens. Children under one can enter for free. This facility also offers swim lessons for those with a facility membership.

100 Sychar Rd, Mt Vernon, OH 43050-3241, USA
Phone +1 740-393-0288
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Kalahari Ohio in Sandusky

Kalahari Resort in Sandusky, Ohio
Courtesy of Kalahari Resort

The Kalahari in Sandusky is one of the world's largest indoor water parks. It features virtually every kind of water park slide and attraction, including two surfing simulator rides, a water coaster, a lazy river, a bowl ride, a wave pool, body slides, tube slides, raft rides, a mat-racing slide, an interactive water play structure, activity pools, and indoor/outdoor whirlpool saunas. Day passes are offered to visitors not staying at the hotel.

7000 Kalahari Dr, Sandusky, OH 44870, USA
Phone +1 877-525-2427
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Pioneer Waterland in Chardon

Pioneer Waterland Ohio
Courtesy of Pioneer Waterland

A small outdoor water park and family entertainment center, Pioneer Waterland includes four, six-story tall water slides, a tube slide, a lazy river, an activity pool, and paddleboats as well as go-karts and an arcade. The park offers an abundance of different passes for all ages, but a general admission ticket is $25, with discount tickets at $19. During October, this park puts on a "Nightmare at Pioneer," where guests will be able to enjoy the park from 8 p.m. to midnight, all while being stalked by zombies and other creepy ghouls.

10661 Kile Rd, Chardon, OH 44024-9520, USA
Phone +1 440-285-0910
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Soak City in Mason

Soak City water park at Kings Island

Cedar Fair Entertainment Company

Soak City is a huge park that is included with admission to Kings Island. This park boasts 36 water slides, including the "Tropical Plunge," a nearly seven-story structure that holds six different water slides all on its own, a wave-making surfing ride, a wave pool, a funnel ride, a lazy river, and a few child-centric areas. One area is for children three feet or taller, "Splash Landing," which includes an interactive water play area with a dump bucket and three child-sized slides, and "Castaway Cove" and "Lookout Lagoon," where any guest over 52 inches must be accompanied by a child.

6300 Kings Island Dr #2, Kings Mills, OH 45034, USA
Phone +1 513-754-5700
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Splash Zone

Splash Zone Ohio water park

National Trails Parks & Recreation District

Splash Zone is a small community water park located in Springfield, but it still has some pretty impressive rides and amenities, regardless of its size. This park has 400 feet worth of water slides, a 280-foot-long lazy river, Ohio's very first bowl slide, a sprayground, and a zero-depth entry pool. Admission to this park starts at $7, and children under three can enter for free. They offer swim lessons for children, and classes and programs for adults as well, including water walking and lap swimming.

300 Eagle City Rd, Springfield, OH 45502-7554, USA
Phone +1 937-324-7665
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Watering Hole in Port Clinton

Watering Hole Ohio water park
Watering Hole

The Watering Hole is the only water park in Port Clinton, and while it is a small park, guests can still enjoy a full water park experience within it. The facility includes water slides, tube slides, pools, water bumper boats, and an interactive play area along with go-karts, mini-golf, and an arcade. There is also an adjacent drive-through safari and zoo. Access to the water park costs $48, and a mega ticket that includes both the wet and dry fun is $70 for the day.

1530 S Danbury Rd, Port Clinton, OH 43452-3920, USA
Phone +1 419-732-6671
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Zoombezi Bay in Powell

Zoombezi Bay
Courtesy of Columbus Zoo

Zoombezi Bay is a large park that is included with admission to the Columbus Zoo. Attractions include a bowl ride, a funnel ride, body slides, tube slides, a lazy river, an action river, an interactive water play structure, and attractions for younger children. For the 2022 season, the park relocated its entrance and created a new plaza. This plaza creates direct access to the parking lot for guests and lets guests enter the waterpark without going through the zoo first. They have also added a new retail shop, four more "Premium Loungers," a Pepsi Oasis location, and much more.

4850 Powell Rd, Powell, OH 43065, USA
Phone +1 614-645-3400
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The Best Indoor and Outdoor Water Parks in Ohio