1. Tropical Islands Resort (Krausnick, Germany) Located inside a repurposed airship hangar, Tropical Islands Resort is the largest indoor water park in the world.
2. Chimelong Water Park (Guangzhou, China) Tropical Islands Resort holds the title for the largest indoor water park, while Chimelong Water Park is recognized for its expansive outdoor area and numerous attractions.
As of my last update in January 2022, the biggest water park in the world by total area is Chimelong Water Park located in Guangzhou, China.
overing approximately 450,000 square meters (4,843,760 square feet), Chimelong Water Park offers an extensive array of attractions, including thrilling slides, wave pools, lazy rivers, and family-friendly areas.
Chimelong Water Park is part of the larger Chimelong Tourist Resort, which includes several other attractions such as Chimelong Paradise, Chimelong Safari Park, and Chimelong International Circus.
The water park's expansive size and diverse range of attractions make it a popular destination for visitors seeking aquatic fun and entertainment.