Mayotte is situated in the Comoros archipelago, in the Mozambique Channel. The island is surrounded by a barrier reef over 100 miles long. Its warm waters, protected by ocean currents, are home to very varied underwater sea life: turtles, dolphins, whales (from July to October), a plethora of fish (over 800 species) and coral (300 species), as well as the extremely rare dugong (less than twenty recorded individual animals around Mayotte).

Snorkeling with green sea turtles at N'Gouja Beach, Mayotte
N’Gouja Bay seagrass meadows, where green sea turtles can easily be seen, are a snorkeling must-do in Mayotte.

The island has a wide variety of snorkeling spots. Although you will probably start by exploring the seagrass beds and reef drop-offs that are easily accessible from the beaches (the most famous being N’Gouja, an excellent place to observe green turtles), you shouldn’t leave without taking an excursion by boat, which is the only way to reach the islets and reefs scattered throughout the lagoon (Ilots Choizil, Ilot de Sable Blanc du Nord, etc.) or the immense barrier reef, lying several miles from the coast, interspersed with channels.

Snorkeling the Mayotte lagoon islets
Accessible by boat only, the many islets in Mayotte’s lagoon, like the Ilots Choizil (left) and Ilot de Sable Blanc du Nord (right), are a famous snorkeling destination.

When to go snorkeling Mayotte?

With an average temperature of 75°F (24°C) in the lagoon, snorkeling is possible in Mayotte all the year round. From October to March, during the southern summer, temperatures are high (85-90°F/29-33°C on average) and rains abundant (with a peak in January-February). After heavy rain, the coastal waters are charged with sediment, making visibility poorer. From April to September, temperatures are cooler (74-79°F/23-26°C) and the waters are generally clear, but wind is more common.

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Heavy rain and bad underwater visibility
Warm and sunny

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New snorkeling spots to share in Mayotte?

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More than 200 spots have already been published on Snorkeling Report, but there are still many spots to be added! You too can contribute to populate the map by sharing your favorite snorkeling spots around the world. The more snorkelers will contribute, the easier it will be for you, and other snorkelers, to find sites and enjoy the underwater world!

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Our favorite spots in Mayotte

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