Pinpointing the most beautiful Seychellois beach is like splitting hairs, but Anse Source d'Argent gets extremely high marks for its silvery-white sand framed by dramatic granite boulders and sparkling aquamarine water. Nestled on the small island of La Digue in Seychelles, Anse Source D’Argent is not only the most beautiful beach on the island, it is famed for being the best beach in the world!