It's the gateway to the Great Barrier Reef, the world's oldest rainforest ... The Esplanade's most popular attraction is the Lagoon, a 52,000-square-foot pool with pristine, calm waters patrolled ...

Mayotte is made up of two islands and is still part of France after the other islands of the Comoros gained ... sits within a ring of barrier reef that creates a large lagoon around the island.

The coral reef systems of the Al Wajh lagoon on the Red Sea, the world's fourth largest barrier reef system, are estimated to host approximately 210 species of hard corals and 120 species of soft ...