The croatian submarrine world has more than 85 registered and described diving locations. The environment and nature are typically Mediterranean, with imposing walls, drop-offs, caves, caverns, crevices and wrecks. The waters are renowned for their clarity, with vivacious colors and encrusted sponges, big sea fans of red and yellow, concentrations of red coral, nudibranchs, mollusc's and crustaceans (also of large dimensions). The aquatic life is very developed, you will see a lot of cliff fish and meetings with pelagic fish are not rare, particularly above the drop-offs (beyond 20m).

According to current regulations it is possible to dive in Cratian waters only with with a vaild divers card issued by the Croatian Diving Federation (HRS) which will be valid for a year following the issue date and has a cost of 100,00 HRK.

In march 2003 the Ministry of Maritime Affairs, Transport and Communications has proclaimed a new regulation which allows diving only with organized and registered diving groups. For indipendent uderwater activities you need an individual permission, costing 2.400 HRK (more than 300€).