Make Your Birthday A Splash

With A Pizza Pool Party


Have the slide of your life when you have your party at WaTiki® Waterpark! We’ll set a special table just for you with pizza and soda to keep the hunger at bay while you play! Plus, you’ll get to slide into fun at Koko’s Arcade.

WaTiki® is the largest indoor waterpark in the Dakotas and the perfect place for a memorable party experience for kids of all ages.


Gratuity not included; may not be combined with any other discounts. Taxes and fees not included.*
No outside food is allowed other than the cake.

Purchase Your Party Online

Inquire About Parties

Lil’ Splash Party Package

Includes 5 full access waterpark passes, 2 spectator passes, and a reserved decorated table.

Party Wave Package

Includes 8 full access waterpark passes, 6 spectator passes, reserved decorated table, birthday child shirt and Tiki Towel, and all birthday guests receive $5 in arcade play!

Koko’s Extreme Package

Includes 8 full access waterpark passes, reserved decorated table, additional 6 spectator passes, birthday child shirt and gift, all birthday guests receive a $10 arcade card, Tiki Towel, pizzas and beverages!

Ultimate Package

8 general admission passes, 6 spectator passes, 2 family sized pizzas, 2 2-liters of soda, $20 in arcade play for each general admission pass, towels for all general admission passes, bounce castle, and reserved table.

Bounce House Rental

Looking for a way to burn a little energy after pizza and cake? A bounce house will make the perfect addition to your party!

Bring Koko to Your Party

Celebrate your birthday with WaTiki® lifeguard, Koko! His friendly personality is perfect for party guests of all ages.

*It is helpful to Koko’s crew to have your birthday party scheduled 24 hours in advance.

For the best birthday party experience contact one of our party planners at 605-718-2445

WaTiki® Birthday Club

Join the WaTiki® Birthday Club for a chance to win a Koko’s Extreme Birthday Party with bounce house!

Join Now!

Birthday Party FAQ

How many party guests can join our party?

Our guest minimum is 8 and you are welcome to add as many as you would like. Your party will be set up inside Slider’s Bar & Grill with 10 guests per table.

Can we bring outside food or beverage?

You are certainly welcome to bring a cake or other party treats as you’d like. If you need refrigeration, please chat with your party planner upon arrival. No other outside food or drink is permitted to enter the waterpark.

What time can we arrive and how long are our day passes valid?

You are welcome to come as early as you’d like and stay as late as you want. Your party table will be prepped and ready at the time selected in your reservation, please chat with your party planner if you will be staying past your reservation blocked time.

Can we change our party reservation?

Please contact your party planner the evening prior to add or remove additional party guests from your initial booking. Cancellations made under 24 hours in advance will be subjected to late cancellation fees. You may change your party to a different date at no charge.