Experience the enchanting marine life through guided snorkeling trips, with options to explore the calm lagoon or venture out to the outer reefs. In the shallower waters, you’ll encounter vast expanses of hard coral teeming with abundant reef fish, including snapper, fusiliers, turtles, pufferfish, giant sweetlips, and countless species of groupers.

The groupers of Cosmoledo are a particular highlight; they are abundant, and several species are known to spawn in large aggregations during the season. Potato groupers are especially curious, often following snorkelers as they pass through their territory. Both green and hawksbill turtles nest on Cosmoledo in regionally significant numbers. Take a moment to look closer, and you’ll discover numerous anemonefish, scorpionfish, nudibranchs, octopus, lobsters, and moray eels.