Trou d’Eau Douce: 5 Island Adventure with BBQ & Snorkeling

Fast boat, big scenery, plenty to eat. This six-hour trip packs Mauritius’ southeast coast into one lively outing, with speedboat rides and snorkeling as its strongest draws. I like the mix of colonial history, beaches, wildlife, and a generous BBQ lunch. The main drawback is time: several stops are brief, and the first rocky islands may feel more interesting for their story than their appearance.

This is a small-group trip for up to 14 people, which makes the day more personal than a large cruise. Guides such as Oliver, Rajiv, Rajesh, Wendel, Jeremy, and Ranjeev have earned praise for keeping the mood warm and helping with photos. Still, bring aqua shoes, and consider your own snorkel gear if hygiene or fit matters to you.

Key points at a glance

• A fast six-hour route: Cover Ile aux Cerfs, the Grand River South East waterfall, Ile aux Fouquets, Ile de la Passe, and Ile aux Aigrettes in one packed outing.
• The speedboat is part of the fun: This is a lively ride across open water, not a slow catamaran cruise.
• Strong wildlife chances: Dolphins, sea turtles, monkeys, flying foxes, fish, and even a barracuda have been seen, though wild animal sightings are never guaranteed.
• History with a dramatic setting: Ile aux Fouquets and Ile de la Passe are tied to the 1810 naval battle of Grand Port.
• Lunch is a real highlight: The beach BBQ includes drinks, snacks, beer, and local rum, with vegetarian and vegan food available.
• Practical warning: The boat leaves from the jetty beside the Mauritius flag, and hotel transport is not included.

Why this east coast trip works so well

The appeal is simple: you get several different versions of Mauritius in one day. There is a white-sand beach, a river waterfall, a historic lighthouse, calm lagoon water, rough Indian Ocean surf, and a coral snorkeling stop. Few outings offer that much variety without requiring a full day on the road.

I especially like the way the trip switches between land and sea. You are not spending six hours in one place waiting for lunch. The boat keeps moving, and each stop changes the mood.

The route is also helped by its small size. With no more than 14 people, the guide can check on swimmers, help with cameras, and explain what you are seeing. Several guides have been singled out for their humor and care, including Wendel, Jeremy, Ranjeev, Oliver, and Rajesh. One solo visitor appreciated being checked on during the day, while other passengers praised guides for taking holiday photos.

The pace can be a weakness. You have around 20 minutes at the waterfall, 20 minutes at the lighthouse, 40 minutes at Ile aux Cerfs early in the day, and 45 minutes at Ile aux Aigrettes. That is enough for a taste, not a full exploration. If you prefer long beach hours or quiet historical visits, this route may feel rushed.

Starting at the jetty beside the Mauritius flag

The meeting point is at the jetty next to the flag of Mauritius, at the Blue Alizé Catamaran Ile aux Cerfs location in Trou d’Eau Douce. The boat used for this experience is a speedboat, despite the meeting-point name, so do not expect a broad, slow sailing vessel.

That distinction matters. The ride is one of the main attractions. The captain may cut quickly across the water, and several people have described the speed as thrilling. You will feel spray, wind, and sharp movement, especially when the boat reaches open water. If you want a calm cruise with lots of room to stretch out, this is not that kind of outing.

Wear swimwear under light clothing and keep your belongings small. Large bags and luggage are not allowed. Sunglasses, a hat, sunscreen, and a towel are listed as essentials. A waterproof phone pouch would be sensible, although it is not specifically included in the equipment list.

French and English are the tour languages. The group limit of 14 helps, but this remains an active day rather than a private charter. You should be comfortable boarding a boat, swimming, and moving between several stops.

Ile aux Cerfs, the first taste of island life

Ile aux Cerfs is one of the best-known islands in Mauritius, and the trip visits it twice. The first stop lasts about 40 minutes, giving you time to walk, take photos, and look around before the boat heads toward the waterfall and outer islands.

This first visit works as a quick introduction. The island has the bright sand and clear water many people picture when they think of Mauritius. It is a good place to get your bearings, but do not expect a long, slow beach session at this point.

You return later for the main two-hour stop. That second visit is where Ile aux Cerfs makes the strongest impression. Lunch is served there, and you can eat, swim, sunbathe, or simply sit near the water. The generous timing gives you room to enjoy the island instead of treating it as a photo stop.

Some optional activities may also be available around Ile aux Cerfs, including parasailing. One passenger said the two-person option was worth considering and cheaper than arranging it separately on the island. Since this is not listed as an included feature, check the price locally before committing.

Grand River South East waterfall and the monkeys

The Grand River South East waterfall receives about 20 minutes, mainly for a visit and photos. The waterfall itself may not impress everyone equally. Some people find the cascade modest, but the ride upriver adds appeal, and the surrounding forest brings a good chance of seeing monkeys.

Monkey sightings became one of the most memorable parts of the day for many people. You might see them near the waterfall or along the river, and some may come close to the boat. A few visitors even reported monkeys approaching the boat, which makes for entertaining photographs.

I would avoid feeding them, even if you see other people doing it. One account specifically raised concern about guides or visitors offering food to monkeys and birds so they approach tourists. Wild animals are more interesting when they remain wild, and you can enjoy the sight without encouraging this habit.

This stop is short, so keep your camera ready. The combination of river, trees, rock, and monkeys gives you a different view of Mauritius from the beach scenes later in the day.

The historic islands of Ile aux Fouquets and Ile de la Passe

The history portion of the trip focuses on Ile aux Fouquets, also called Fouquets Island, and Ile de la Passe. Ile aux Fouquets is home to a lighthouse more than 200 years old. The structure is now a historical monument, and you get about 20 minutes for a visit, a walk, and photographs.

The lighthouse is not polished into a museum attraction. Its appeal comes from its setting and age. You are looking at a working piece of the island’s colonial past, surrounded by open sea and rough coastal conditions. The short stop is best suited to people who enjoy atmosphere and a good explanation from the guide rather than a large collection of exhibits.

Ile de la Passe adds a sharper historical edge. In 1810, the waters around Ile aux Fouquets and Ile de la Passe were the site of the naval battle of Grand Port between French and British forces. The French victory is remembered as the only naval victory of Napoleon’s navy and is represented on the Arc de Triomphe in Paris.

You mainly pass by Ile de la Passe rather than spending time ashore. That is a limitation if you want a detailed historical tour, but the boat view helps you understand why the position mattered. The islands sit where sheltered lagoon water meets the force of the Indian Ocean. On one side, the water can look calm and turquoise. On the other, waves hit the outer breakers with real power.

That contrast is one of the most striking sights of the route. It also gives the guide a chance to explain the islands in a way that connects geography with military history.

Snorkeling in Grand Port District

The snorkeling stop lasts about 40 minutes in the Grand Port District. Equipment is included, so you do not need to pack fins or a mask to take part. The water is described as clear, and the stop offers a chance to see fish and other marine life.

Several people reported seeing sea turtles while snorkeling or from the boat. Dolphins have also appeared during the wider trip, sometimes after the guide made a second attempt to find them. These are wonderful possibilities, but they are wild animals, not scheduled performers. Go for the water and marine setting first, and treat dolphins or turtles as an extra gift.

The included snorkel equipment is useful, but quality may vary. One person felt the gear could have been better, while another preferred bringing personal equipment for hygiene reasons. If you already own a comfortable mask, pack it. Aqua shoes are also a smart choice because the first islands can be rocky and the shoreline may not be soft underfoot.

Pay attention to the sea conditions. A speedboat trip can be thrilling, but open-water movement is not ideal for anyone who dislikes a rough ride. Pregnant women are specifically advised not to take this activity.

Dolphin watching, turtles, and the changing coast

The route includes dolphin watching near Fouquets Island. You may also see dolphins at other points during the ride, along with sea turtles, flying foxes, monkeys, fish, and possibly other marine life.

The guides are a big part of these sightings. Passengers have praised captains for knowing where to look and for making extra efforts when dolphins were not seen at first. Oliver, Jeremy, Ranjeev, and Rajesh were all praised for combining good spirits with careful attention to the group.

There is an important line between viewing wildlife and chasing it. One account noted that some boat tours come too close to turtles and dolphins, while a more respectful approach keeps a better distance. I would favor a captain who slows down, avoids crowding animals, and lets you watch without turning the encounter into a pursuit.

You might also see birds near the islands and monkeys by the waterfall. The chance to see animals in several settings gives the day more depth than a simple beach transfer.

Ile aux Aigrettes for a swim and aperitif

Ile aux Aigrettes is the final water-focused stop before lunch. You have about 45 minutes for swimming and an aperitif. This is a good point in the route to slow down after the speedboat ride and sightseeing.

The stop is less about sightseeing on land and more about the water. Bring your towel, apply sunscreen again, and use the time to swim in the clear lagoon. Drinks and snacks are included, and local rum appears regularly on the boat. Some passengers also enjoyed Mauritian coffee, a local drink that became a memorable part of the day.

You should pace yourself with the alcohol. The outing includes swimming, heat, sun, and a fast boat, so water and sensible portions matter. The cheerful atmosphere is part of the appeal, but nobody needs to turn the excursion into a floating bar crawl.

The beach BBQ at Ile aux Cerfs

The final Ile aux Cerfs stop lasts about two hours and includes lunch, BBQ food, beer, and drinks. This is where the day becomes less structured. After the quick visits and boat rides, you have time to eat and enjoy the beach at your own speed.

The food receives unusually strong praise. People describe the BBQ as tasty and filling, and vegetarian and vegan options have been provided when requested. Lobster may be available for an additional charge, but it is not part of the standard $100 price.

Lunch is valuable because it saves you from arranging a separate meal on the island. The included drinks and snacks add to the convenience, especially given the length of the outing. You are paying for transport, guiding, several stops, snorkeling gear, lunch, and drinks in one package.

The beach setting also gives you the best chance to relax. You can swim, sunbathe, walk along the sand, or sit with a drink. If the earlier stops feel too short, the two-hour lunch break helps restore the balance.

Is $100 a fair price?

At $100 per person, this trip is not the cheapest way to see one beach. It is fair value if you want a packed day with a speedboat, five island stops, waterfall views, historical sites, snorkeling, wildlife chances, lunch, and drinks.

The value is strongest for first-time visitors with limited time. You get a broad introduction to the southeast without booking separate boat trips, restaurant arrangements, and sightseeing transfers. A small group also gives the package more worth than a crowded boat with little personal attention.

The value is weaker if you want a slow, private day. You may prefer a focused beach outing if you do not care about the lighthouse or colonial history. You should also remember that dolphin and turtle sightings are not guaranteed, and the waterfall may feel less dramatic than its name suggests.

Free cancellation up to 24 hours before departure and the option to reserve now and pay later make the booking less restrictive. Hotel pickup and drop-off are not included, so you need to reach the Trou d’Eau Douce jetty yourself.

Who should book this speedboat adventure?

I would recommend it to active couples, families with older children, solo visitors, and anyone who wants many sights in a single day. An eight-year-old joined one family outing successfully, but every child should be comfortable with boat speed, sun, swimming, and a busy schedule.

You will probably enjoy it most if you like variety and do not mind moving on before every stop feels fully explored. The small group, friendly guides, food, and wildlife chances give the day a social, upbeat feel.

I would be more cautious if you are pregnant, dislike fast boats, need long unhurried visits, or have mobility concerns around boat boarding and rocky shorelines. The activity is specifically not suitable for pregnant women, and the description does not promise special accessibility arrangements.

Final verdict: book it for variety and value

This is a strong choice for seeing the southeast coast in one energetic outing. The best parts are the speedboat ride, clear-water snorkeling, the old lighthouse, the changing sea conditions, and the relaxed BBQ at Ile aux Cerfs.

Do not book it expecting five perfectly equal island visits. Some stops are brief, the first islands are rocky, and the waterfall may be more about the river and monkeys than the cascade itself. Bring aqua shoes, sunscreen, a towel, and your own snorkel mask if you have one.

If you want a lively day that combines history, swimming, wildlife, beach time, local drinks, and a proper meal, I would book it. If your idea of paradise involves staying on one quiet beach all day, spend the $100 elsewhere.

FAQ

How long does the 5 Island Adventure last?

The activity lasts six hours. Starting times vary, so you need to check availability when booking.

Where does the tour meet?

You meet at the jetty beside the flag of Mauritius, at the Blue Alizé Catamaran Ile aux Cerfs location in Trou d’Eau Douce.

Is this a catamaran cruise?

No. The experience uses a speedboat. The meeting location includes the Blue Alizé Catamaran name, but the boat trip itself is a speedboat ride.

Are lunch and drinks included?

Yes. Lunch, drinks, snacks, beer, and the BBQ meal at Ile aux Cerfs are included. Vegetarian and vegan food options have been provided. Lobster may cost extra.

Is snorkeling equipment provided?

Yes. Snorkeling gear is included. You may still prefer to bring your own mask for fit or hygiene reasons. Aqua shoes are also useful for rocky areas.

Which languages are available?

The live guide service is available in English and French.

Is hotel pickup included?

No. Hotel pickup and drop-off are not included. You are responsible for reaching the meeting point in Trou d’Eau Douce.