Coral snorkeling in the clearest sea water (looks shallow but deep!), Zamami, Japan
Zamami Island, Okinawa, Japan
Zamami Island belongs to the Kerama Island group which is known for some of the world's clearest waters with 50-60m visibility.
The Kerama Islands are also known as one of the world's best diving destinations, having a number of coral species and marine lives as large as those in the Great Barrier Reef. Over 400 types of corals, 5 types of sea turtles, manta rays, whale sharks and all kinds of tropical fish species all live around the islands of Okinawa.