János Molnár is a vast underground cave, located right under Budapest. The depth of the cave is approximately 100m and the width is 3km. The cave is made out of thermal karst springs, spewing from the depths and it is one of tje biggest thermal caves in the world. The tepmerature of water fluctuates between 25-27°C.

After the beer factory stopped pumping, groundwater levels raised and partly flooded the underground mine system where you can now dive. The water is crystal clear and visibility is awesome.

Located in the Aquaworld Resort, Crazy Turtle Dive School offers you training opportunities, with 4 meter, 2.5meter wave, and 2 meter deep swimming pool access throughout the whole year.

Lake Palatinus is a mine lake, formed as a result of sand extraction in the 1950s. Its good water quality is due to the mining technology they started using at the time.

The Pisztrángos lake is located -30 minutes from Budapest-, in Erdőkertes. The maximum depth of the lake is 14 meters, with extremely good visibility. Also there is a sunken old Volga car in the lake.

Aqua Sports Center Swimming Pool is located in the immediate vicinity of the recently (2018) EYOF Olympic Village in Győr, in the immediate vicinity of the Rábca River.

This increasingly popular dive site is located in the Galanta district, between the villages of Veľké Úľany - Nové Osady and Čierna Voda. It is a part of the nice AQUAREA sports and relaxation area. It is located near the former dredging site, known by the locals as “Sziget“ (Island) or “Čierna Voda“.

Lake Süli - Šulianske jazero, Slovakia5 Sea DC Training Site - On the gravel road you can get into the dive site by passing the buffet. Due to a closed gate, an appointment must be made in advance.

The lake is privately owned, therefore no public access is possible and diving is only possible by appointment with H2O Divingacademy (by mail or phone.).

Gravel lake Guláška (Hlboké jezero, Čiernovodské jezero) is for many Slovak divers associated with the beginnings of their diving era. Thanks to its unusually good average visibility and diverse life, this site is a kind of alma mater of Slovak divers.