A full-day speedboat excursion from Trou d’Eau Douce that pairs a river-mouth waterfall visit with a leisurely few hours on Île aux Cerfs and a barbecue lunch. Expect short hikes, snorkel stops in a protected lagoon, and time to relax on white sand.
More ways to explore the area's outdoor wonders
The speedboat cuts a bright line across the turquoise east lagoon and, within minutes, the island horizon opens: pale sand, palms tilting toward the sea, and the distant roar of a waterfall tucked into a green gorge. On this full-day run from Trou d’Eau Douce you’ll move from river-mouth drama at the Grand River South East waterfall to the sheltered bays and activity hubs of Île aux Cerfs.
Difficulty
easy
Duration
8 hours
Fitness Level
Suitable for most fitness levels; requires basic mobility to step on/off small boats and short walks on sand and rocks.
Wildlife
History
The east coast’s villages grew around fishing and sugar estates; river mouths like the GRSE were key transport and irrigation corridors, shaping local settlement patterns.
Conservation
Coral reefs and seagrass beds near Île aux Cerfs are sensitive — avoid touching coral, carry out waste, and choose operators that follow reef-safe practices.
Reserve your spot on the Ile Aux Cerfs & Grand Riviere Waterfall by Speed Boat with Lunch today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring reef-safe sunscreen
The boat exposes you to intense sun for hours; choose reef-safe SPF and reapply after swimming.
Wear secure water shoes
Rocky shores near the waterfall and wet boat decks call for shoes with grip and toe protection.
Keep a small dry bag
Protect electronics and a change of clothes from spray and sand during transfers.
Listen to the guide on currents
Snorkel spots are shallow but currents can run near channels—stay close to the guide and buoy markers.
Swimsuit and quick-dry towel
For swimming, snorkeling, and lounging during the island stop.
Reef-safe sunscreen
Protects skin while minimizing damage to coral and marine life.
summer
Water shoes
Useful for rocky shoreline at the waterfall and slippery boat ramps.
Small dry bag
Keeps phone, wallet and spare clothes dry during boat transfers and spray.