Maui Sands Resort & Indoor Waterpark With the kids going back to school there's little time have family bonding. So why not spend that time with a Saturday funday The water slides at Maui Sands Resort & Indoor Waterpark are an infrastructural marvel. The water-powered rides spiral throughout a massive indoor facility that encompasses lazy rivers, vortex pools, and a lagoon for guests and mermaids of all ages. In the Maui Wowie Bowl Slide, shrieks attend the 45-miles-per-hour plummet of guests sliding down a bowl-shaped tube slide in single or tandem tubes. Not to be outdone, the Hammerhead Plunge and the Kana Storm and Hana Half Pipe round out the gravity-harnessing trio with twists, turns. and breakneck speed. ...