Closed for the 2020 season. Fun-Plex is Nebraska's Largest Waterpark & Rides! With acres of family fun in the heart of Omaha, Fun-Plex is the perfect one day getaway. Fun-seekers of all ages enjoy the new Rockin' Rapids Water Slides, Makana Splash Water Playground, Typhoon Falls Water Slides, Motion Ocean Wave Pool, Lazy River, Breaker Bay Swim-Up Bar, the Fun-Plex Speedway Go-Kart Track, various kiddie & family rides, and a beautiful 18-Hole Mini Golf course. Visit our website for park hours, prices and promotions.