An underwater house at Nemo, with the 34.5m deep pit in the background
The view down into the deep pit at Nemo 33
Nemo 33 is the deepest indoor swimming pool in the world. The pool is located in Brussels, Belgium. Its maximum depth is 34.5 metres (113 ft). It contains 2.78787 million litres of non-chlorinated, highly filtered spring water maintained at 30 °C (86 °F) and holds several simulated underwater caves at the 10 metres (33 ft) depth level. There are numerous underwater windows that allow outside visitors to look into the pools at various depths. The complex was designed by Belgian diving expert John Beernaerts as a multi-purpose diving instruction, recreational, and film production facility, in 2004.
This pool is open to tourists and divers both professional and amateur. The basic regulations requires the divers to be aged 12 years or over, healthy, strong, and they must be certified as a diver or supervised by the trainers. For the safety of people who use the service, they must have a certified diver to be a diving partner as well. A fee is required of the customers who use the pool and they have to respect the rules of diving including the specific rules of Nemo 33. In addition, the pool of the most prominent Nemo 33 is not open only for diving, but also offers other services inside such as a restaurant, a bookshop, swimwear shop, souvenirs, rooms for any other water activities and also a tour around the city. For those who would like to use the services in Nemo 33 they can accommodate throughout the year even during holidays. The opening time of the pool can be checked on the main website of Nemo 33.