As of 2023 and continuing into 2026, the Aquaventure Waterpark at Atlantis The Palm in Dubai remains the largest water park in the world. Following its massive expansion in 2021, the park now spans over 22.5 hectares (approx. 55 acres) and features 105 different slides and attractions, including the record-breaking "Odyssey of Terror" and the "Leap of Faith" that plummets riders through a shark-filled lagoon. Close competitors like Tropical Islands Resort in Germany (the largest indoor water park) and Watercube in Beijing offer incredible experiences, but for sheer scale and number of outdoor slides, Aquaventure is the undisputed champion. In the United States, Noah's Ark in Wisconsin Dells often claims the title of "America's Largest Waterpark" by acreage, but it is seasonally limited. Dubai's year-round sunshine and constant investment in "extreme" slides have secured its place as the premier global destination for water park enthusiasts, with new additions in 2026 continuing to push the boundaries of height and speed.