Nautilus Diving Club (Clubul de Scufundări Nautilus) is a diving club based in Oradea, Romania, affiliated with SSI (Scuba Schools International). It brings together people passionate about the underwater world, travel and adventure, offering not just certification but a community of fellow divers. The club runs the standard SSI course ladder: Open Water Diver (entry-level certification, dives to 18 m), Specialty Diver (two specialties of choice — such as deep diving to 40 m, wreck diving, night diving or navigation — plus 12 logged dives), Advanced Open Water Diver (four specialties plus 24 logged dives), and Dive Master, the first step toward becoming a diving professional. The club is run by a team of about twenty SSI- and PADI-certified instructors, assistant instructors, dive control specialists and divemasters.