Knight's Action Park & Caribbean Water Adventure (Visit this link)
Knight's Action Park and Caribbean Water Adventure in Springfield is Central Illinois' favorite family fun spot. With over 62 acres of Splish-Splashin' Rip-Roarin' family fun, Knights is in a class by itself when it comes to family recreational value. Water Slides, Bumper Boats, Go Karts, Mini Golf, Pirate Ships, Giant Sea Creatures, Batting Cages, Laser Tag, a 7-Acre Lake with Pedal Boats, and a 50 tee shot heated Driving Range is only the beginning of the adventures you'll find at Knights. There's four private picnic areas for large Group Outings from 50 to 3,000. Plus Knight's offers full on-site catering services and a professional party staff dedicated to making your special outing, nothing but Fun, Fun, Fun.
http://www.knightsactionpark.com