All over the world, there has been a sudden increase in the number of international travels, mostly for touristic purposes. Of the growing number of travelers more and more are also recreational divers. Many popular places for diving are located in tropical and subtropical areas (Red Sea, Mediterranean Sea, Caribbean Sea, Indian Ocean, Pacific Ocean). The essential part of pre‑travel arrangements of diving persons include their health status assessment during medical consultation, preparing all the necessary medications for chronic illnesses and a travel first‑aid kit for personal use, vaccinations, antimalarial chemoprophylaxis, and travel insurance covering the entire travel and not only the moments of going underwater.