Cosmoledo is an uninhabited atoll in the remote outer Seychelles, reachable only by boat, with two sites that cover reef, wall, drop-off, and drift topography. Conny's Aquarium combines shallower reef sections with a wall reaching thirty-five metres, while Conny's Channel is a deep drift dive descending to fifty metres with strong currents and visibility reaching sixty metres. All diving here is by boat only. Species recorded include whale sharks, blacktip reef sharks, green sea turtles, Napoleon wrasse, and harlequin shrimp. Water is coolest from July to September and warmest from November through May.
Fin maps 2 sites in Cosmoledo (2 scuba diving sites).
