Surf's Up! - Richmond Style!! The Monster Wave Curve Waterslide a favorite Curved Inflatable Waterslide. Riders start high up in the cool misting barrel of the wave then cruise downward, popping over a bump, zipping around a curve then splashing into a pool of whitewater at the base! This waterslide is a ton of fun for both kids and adults. Overnight rental is available weather permitting, for additional $75. Don't forget to reserve your favorite concession machine!