Marianne Island is a small granite island in the Seychelles archipelago. It is located 5 miles east of La Digue Island. The island was a former coconut plantation. On the west side of the island is a long beach. The southern tip of Mariana is known as a world-class diving spot. The highest peak on the island is Estel Hill 130 meters high.
Marian Island is currently uninhabited, but is regularly visited by tourists and yachtsmens. For most of the nineteenth and twentieth centuries, farming and copra cultivation were practiced on Maryan. There was settlement La Cour and there were 60 inhabitants on the island in 1940 .
There is only one place on Mariana suitable for the anchorage of a yacht. This anchorage is located in the north-west of the island.