Theme:
Sea and lagoon
A day on the lagoon by boatDolphins, a white-sand islet and snorkelling on the barrier reef
A full dayAll year; drier May — Octoberstart: Mamoudzou and the north-east
Whales, dolphins, turtles
Humpback whales in the lagoonFemales with calves come inside the reef
Half a day to a full dayJuly — Octoberstart: Petite-Terre
Whales, dolphins, turtles
The turtles of N'Gouja and SazileyA swim above the seagrass and night-time nesting watches
2–3 hAll year; nesting peaks April — Junestart: The south of Grande-Terre
Sea and lagoon
Diving the Passe en SA winding channel through the reef — the island's top dive site
Half a dayAll year; best visibility May — Novemberstart: Petite-Terre
Guided hikes
Mount Choungui with a guideA steep climb to 594 m with an all-round view of the lagoon
3–4 hMay — Octoberstart: The south of Grande-Terre
Guided hikes
Petite-Terre: Lake Dziani and the Moya beachesA green crater lake and two beaches in volcanic coves
Half a dayAll year, best in the morningstart: Petite-Terre
Rum, wine, vanilla
Ylang-ylang and vanilla plantationsThe “perfume island”: essential oil distilling and a spice garden
2–3 hFlowers all year, peak May — Decemberstart: Mamoudzou and the north-eastDeparture points on the map
Map © OpenStreetMap contributors. Coordinates are approximate.
Where to book
Platform pages checked on 20 September 2026. We describe a type of tour, not a specific offer. Prices, schedules and availability are on the booking platforms. Duration and season are a rough guide.