8. Grace Bay, Providenciales, Turks and Caicos Islands. This is one of the most spectacular beaches in the world, especially because of its fine white sand and bright turquoise waters. It is located on one of the coasts of the island of Providenciales, which belongs to the Turks and Caicos Islands in the Atlantic Ocean. In recent decades, a convenient location throughout the island has led to the development of the tourism sector with many resorts and hotels on.