Make Your Next Party A Splash!
Book your next birthday party at Castle Rock Resort & Waterpark for the ultimate birthday bash experience. Kids love our waterpark parties where they can celebrate in style among the twisting turning water slides and fun interactive play areas.
Castle Rock Birthday Parties Make a Splash!
Splash Bash Birthday Party
- Invite up to 10 of your best friends and family ($15 for each additional guest)
- Birthday Honoree is FREE
- Two adult chaperones are FREE
- Admission to the Waterpark for the day
- Complimentary party room (by request)
- Personalized birthday cake
- Birthday party supplies (plates, cups, napkins, forks)
- Drink for each guest
- Surprise gift for the Birthday Honoree
Add Some Yum!
All items listed below are sold separately as an add-on to any Splash Bash Party Package and are subject to tax:
- 12" One Topping Pizza - $9.99
- 16" One Topping Pizza - $12.99
Booking and payment information
- All additional guests must purchase admission to enter the Waterpark
- $5 spectator (Land Lover) admission is available for additional guests
- Parties must be guaranteed with a credit card and paid in full 7 days in advance
- A non-refundable $100 deposit at time of booking
- Cancellations must be made 7 days prior to party in order to obtain a refund
If you are interested in booking a birthday party at Castle Rock, please contact our helpful Group Sales Coordinator at least 14 days prior to the date of your event.
Direct dial: 417-336-6000.