Waterslides at Atlantis Aquaventure Waterpark in Dubai. Atlantis Aquaventure Waterpark on Palm Jumeirah Island is the largest of several waterparks in Dubai where you can enjoy many thrilling rides such as the extreme high speed adrenaline slide The Leap of Faith where you plummet in a near vertical slide with a frightening speed of 60 kmhour in 3 seconds shooting you through a transparent tube surrounded by sharks. Atlantis Aquaventure waterpark’s another popular slide is the Poseidon’s Revenge also known as the aquaLoop waterslide where you plummet 30 meters down through the 110 metre tube slide at a speed of 60 kmhour.