Must go here before I die!! No jellyfish, sharks, or seaweed! World's largest swimming pool in Chile. 1013 meters long covers 80 acres, its deepest end reaches 115ft and it holds 66 million gallons of water.
Nemo 33, Brussels, Belgium. The world's deepest swimming pool. The pool has two large flat-bottomed areas at depth levels of 5m (16 ft) and 10m (32 ft), and a large circular pit descending to a depth of 33m (108 ft). It is filled with 2,500,000 litres of non-chlorinated, highly filtered spring water maintained at 30°C (86°F). The complex was designed by Belgian diving expert John Beernaerts as a multi-purpose diving instruction, recreational, and film production facility, and opened in 2004.