Cocos Island is known all over the world for its overwhelming scuba diving and snorkelling experiences which its undisturbed waters has to offer. In fact, Cocos Island was deemed as one of the ten best scuba diving spots in the world.Hiding a variety of sharks, dolphins, rays, coloured fish and crustaceans under its calm, warm waters, the waters of the Cocos Island is one of thefew places in the world to be home to the glorious whale shark. A whale shark is the largest species of fish in the world and can spread up to a startling 13 meters (42 feet).