Atoll

The fringing reef turns into a barrier reef which protects the lagoon from strong winds and waves. Finally, the ocean waves start breaking some of the reef and ...

It is one of the four atolls located in the western hemisphere and it is famous for the Great Blue Hole located in its centre. It is located between Hawaii and Australia in the capital of Tuvalu. Caroline Island is one of the most clean and pure tropical islands in the world with one of the largest population of coconut crabs. It surrounds the island below the ocean surface that is what makes the water between the reef and the island, a lagoon. It surrounds a body of water called a lagoon, which is a shallow body of water separated from the larger body of water. The atoll prevented the Kon-Tiki from docking on the island and wrecked on the coral of the second, Raroia atoll.