Situated in Papua, the archipelago of Raja Ampat, comprising more than 1,500 small islands, is a diver’s dream destination. The underwater scenery is incredibly beautiful, and includes one of the richest coral reef ecosystems on earth. It also includes around 1,300 different species of fish, 530 species of coral, and around 700 species of mollusk. The islands remain remote, and are hard to access, which makes them relatively undisturbed by human activity and expensive to get to. But for divers, this place is highly recommended.