Big Kahuna Waterpark

The Big Kahuna Waterpark is located on the pond within the property’s RV Resort and features trampolines, a slide, a rock climbing wall, rope swing and a diving board. The Big Kahuna and Big Splash Beach are perfect for family reunions, birthday parties, luaus and concerts. Water Activity Waivers can be filled out ahead of time by clicking here on our “Waivers & Forms” section.


  • Revolutionary, Patented Award-Winning Floating Waterpark
  • 12-Foot High Trampoline & Smaller Trampoline
  • 6-Foot Platform Leap
  • 14-Foot High Dive
  • 12-Foot Swing Out
  • Curvy Water Slide
  • Maritime Safety Authority Approved

Purchase your Mont du Lac Summer Season Pass today!

Book your stay at Mont Du Lac Resort

2021 Big Kahuna Waterpark Pass Hours & Rates

*Please note that participants must be at least 45″ tall and 45 lbs. Participants must be under 251 lbs. Children ages 6-12 must be accompanied by an adult when on the Big Kahuna Waterpark. Children under 5 are NOT allowed on the Waterpark. All participants MUST wear a Life Jacket at all times while in the Pond and when on the Big Kahuna Waterpark. Mont du Lac Resort provides Life Jackets to use while on site.


Hours are subject to change without notice. Call (888) 258-0013 for current hours.

Monday – Thursday12PM – 6PM
Friday12PM – 8PM
Saturday10AM – 8PM
Sunday10AM – 6PM


Prices listed do not include Tax.

Monday – Friday$9.99

Big Kahuna Waterpark