Lokrum, Croatia (file photo)

Lokrum is an island in the Adriatic Sea 600 meters from the city of Dubrovnik, Croatia. It stretches from northwest to southeast and receives regular ferry service from the city.

Diving in Croatia as an adventure vacation has exploded in popularity the last 10 years even though diving clubs and courses have been on the Croatian coast since the 1950s. You'll now find diving clubs and centers on nearly every Croatian island as well as dozens of coastal towns.

（People's Daily Online）