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

Speed, sea, and five islands in six hours. This small-group speedboat trip packs Mauritius’ southeast coast into one lively day, mixing lighthouse ruins, snorkeling, waterfalls, wildlife spotting, and a beach BBQ. I like the fast, exciting boat ride and the generous mix of activities, especially the chance to see dolphins, turtles, and monkeys along the way. I also like that lunch, drinks, snacks, and snorkeling gear are included. The main drawback is that several stops are brief, and the early island visits can feel more rocky than scenic.

The tour costs $100 per person and carries no more than 14 people. That makes it a good fit if you want to see a lot without joining a large cruise boat. Just bring a towel, sunscreen, sunglasses, and a hat. Leave large bags behind, and note that the trip is not suitable for pregnant women.

Key points before you book

• The speedboat is the main event: You will cross open water quickly, with plenty of wind, spray, and thrills.
• Five islands, one compact route: Ile aux Cerfs, Ile aux Fouquets, Ile de la Passe, Ile aux Aigrettes, and Fouquets Island are covered alongside the southeast coast.
• Wildlife sightings are possible, not promised: Dolphins, sea turtles, monkeys, flying foxes, fish, and even barracuda have been spotted.
• Lunch is a real part of the value: A beachside BBQ, beer, drinks, snacks, local rum, and vegetarian food are included.
• The best swimming comes later: Snorkeling takes place around Grand Port, followed by a swim at Ile aux Aigrettes and beach time at Ile aux Cerfs.
• Bring water shoes if your feet are sensitive: Some island surfaces are stony, and the included snorkel equipment may be basic.

Setting off from Trou d’Eau Douce by speedboat

The meeting point is at the jetty beside the Mauritius flag, near Blue Alizé Catamaran Ile aux Cerfs. Despite the meeting point name, this is a speedboat trip, not a catamaran cruise. One past passenger arrived expecting a catamaran and ended up enjoying the speedboat even more, but it is worth knowing the difference before you reserve.

The group is limited to 14 people, which matters here. A small boat feels more personal, and the guide can help with photos, explain the route, and keep an eye on people during swimming stops. Guides speak French and English. Several guides have been praised for keeping the mood light while still helping with practical details, including Oliver, Rajiv, Rajesh, Wendel, Jeremy, Ranjeev, Tony, and Rhaiv.

The ride itself is thrilling. You should expect a fast run across the water rather than a slow, quiet sightseeing cruise. Some guides add music, and drinks and snacks are served during the trip. If you prefer calm boating, this may feel energetic. If you enjoy speed, wind, and spray, the boat ride may be one of your favorite parts.

Ile aux Cerfs and the southeast coast

Ile aux Cerfs is the most familiar name on the route, and it receives two visits. The first stop lasts about 40 minutes, giving you time to walk, look around, and take photographs before the boat continues.

The island is known for clear water, pale sand, and easy beach time. It is also the place where you return for the long lunch stop, so the first visit is more about getting your bearings than settling in for a full beach afternoon.

Keep your expectations sensible. Ile aux Cerfs is beautiful, but it is also one of Mauritius’ best-known day-trip spots. The attraction is the combination of beach, water, and open views rather than solitude. If you want to spend most of the day lying on one beach, this route is not designed for that. You are paying for variety.

Grand River South East Waterfall and the monkeys

The boat then reaches the Grand River South East waterfall, usually called GRSE. The waterfall stop lasts around 20 minutes and works mainly as a photo stop. You will see the cascade from the water and may spot monkeys along the riverbanks.

The waterfall itself may not impress everyone equally. Some visitors find the cascade less dramatic than expected, but the trip upriver adds interest, particularly when monkeys appear. Guides have sometimes brought the boat close enough for good photographs, and some have fed monkeys to draw them nearer.

That last practice deserves a careful note. Feeding wild animals may produce a memorable picture, but it can alter their behavior and encourage dependence on people. I would enjoy the monkeys from a respectful distance and avoid treating food as part of the attraction. The animal sightings are a bonus, not something the operator can guarantee.

Grand Port snorkeling stop

The route continues through the Grand Port district for about 40 minutes of swimming and snorkeling. This is one of the strongest parts of the trip if you want time in the water rather than just sightseeing from the boat.

The water can be clear, and fish and sea turtles have been spotted during snorkeling. Some people have even spent several minutes swimming near a turtle. Dolphins and turtles may also appear while you are moving between stops, but wildlife remains unpredictable. You should book this for the chance to see marine life, not for a guaranteed encounter.

Snorkeling gear is included, which saves you from renting equipment separately. Still, the quality may be basic. I would bring your own mask and snorkel if you care about a close fit or hygiene. One particularly practical tip is to pack aqua shoes. The first island surfaces can be rough and stony, and water shoes will make getting in and out more comfortable.

The boat crew helps people into and out of the water, according to several detailed accounts. That is useful because the boat is built for speed, not for a wide, easy-access swimming platform. If you are not a confident swimmer, tell the guide early and pay attention to the conditions on the day.

Fouquets Island and dolphin watching

Fouquets Island is included as a dolphin-watching section of the route. You may also see sea turtles or other marine life while the boat moves along the coast. Sightings have included dolphins with calves, flying foxes, monkeys, fish, and barracuda.

Dolphin watching is one of the tour’s most appealing extras, but it should not be treated as a promise. The guide may return to an area later if dolphins are not found at first. That happened on one trip, and the second attempt produced a sighting. A good captain can improve your chances, but no boat can control wild animals.

There is also an important wildlife consideration. Boats should keep a respectful distance from dolphins and turtles, and you should avoid expecting the captain to chase animals for a close photograph. The best encounter is one that does not disturb them.

Ile aux Fouquets and its 200-year-old lighthouse

Ile aux Fouquets is the historic lighthouse island. The old lighthouse is more than 200 years old and is now a protected historical monument. The stop lasts about 20 minutes, with time for photographs and a short walk.

The lighthouse is not a polished museum. Its appeal comes from its weathered position and the story attached to the island. In 1810, Ile aux Fouquets and Ile de la Passe were linked to the naval battle of Grand Port, fought between French and British forces. The French victory was the only naval victory of Napoleon’s navy and is recorded on the Arc de Triomphe in Paris.

That small piece of context gives the island more weight than its size suggests. You are not simply stopping at a ruin in the sea. You are looking at a point connected to the colonial struggle for control of Mauritius.

The scenery is especially striking because the island has two very different faces. On the lagoon side, the water is calm and turquoise. On the ocean side, Indian Ocean waves hit the outer breakers. That contrast is one of the most memorable visual moments of the route.

Do not expect a long guided history talk, though. Some guides, including Oliver and Ranjeev, have been praised for explaining the sites, while others have been less detailed. If the colonial story interests you, ask questions as you go. The guide may be funny and friendly, but the amount of historical explanation can vary.

Ile de la Passe and a lesson in Mauritius history

The boat passes Ile de la Passe after the lighthouse stop. You may not get a long walk here, but the island adds another piece to the story of the 1810 battle.

This is a good example of the tour’s overall character. It is not a formal history excursion, and it is not a pure beach trip. Instead, the historical stops are short additions to a day built around the sea. You get enough background to understand why the islands matter, then you move on to swimming, wildlife, or lunch.

That variety is the tour’s strength. It is also why anyone seeking detailed historical interpretation may find the explanations a little light.

Ile aux Aigrettes swimming and the local aperitif

The next stop is Ile aux Aigrettes, where you have about 45 minutes for swimming and an aperitif. This is a pleasant transition between sightseeing and the final beach meal.

The water is the main attraction. You can cool off, swim, and enjoy the changing color of the lagoon. Drinks are served through the trip, and local rum is part of the experience. The popular Mauritian Coffee, a local rum-based drink, is mentioned often as a fun extra. Beer is also available, including with lunch.

Use common sense with alcohol. The boat moves fast, the sun is strong, and you may be swimming later. Drink slowly, use sunscreen, and keep water nearby even if the crew is serving rum and beer.

Ile aux Cerfs BBQ lunch and beach time

The final Ile aux Cerfs stop lasts about two hours and includes lunch, beer, and a BBQ. This is where the day slows down. You can eat, sunbathe, walk along the beach, or swim in the clear water.

The food receives especially strong praise. The menu includes BBQ fare and vegetarian options, and plant-based groups have been accommodated well. Lobster may be available for an extra charge, but that upgrade is not included in the $100 price.

The lunch matters when judging the cost. You are not paying only for transport between islands. The package includes food, drinks, snacks, snorkeling gear, the waterfall, historical sites, swimming, and a small group setting. A separate boat ride, beach meal, and snorkeling outing could add up quickly, so the price is fair if you intend to use most of what is offered.

The meal is served on or near the beach, giving the stop a relaxed finish. Still, two hours is not an unlimited beach day. Some people wish they had more time at each attraction, but adding time would turn this six-hour trip into a much longer outing. If your priority is maximum beach time, book a dedicated Ile aux Cerfs visit instead.

What the six-hour schedule feels like

The timing is active. You move from island to waterfall, then to snorkeling, wildlife watching, lighthouse sightseeing, swimming, and lunch. That keeps the day from feeling repetitive, but it also means you should not expect to linger at every stop.

The tour is best for you if you like a full program and do not mind changing activities often. Families can enjoy it, and one family with an eight-year-old found the mix manageable. Solo visitors also have practical support, with guides sometimes checking in and taking photographs.

It is less suited to you if you want a quiet cruise, a long historical lecture, or hours of uninterrupted swimming. The speedboat can be intense, especially when crossing open water. Pregnant women should not book, and anyone bringing a large suitcase or beach bag will need to find another place to store it.

The high rating of 4.7 from 1,052 bookings reflects a remarkably consistent pattern: praise for the guides, boat ride, food, scenery, and wildlife encounters. I would treat that as a strong sign of reliable enjoyment, while still keeping the short stops, basic gear, and uncertain animal sightings in mind.

Practical packing advice for the jetty

Bring only what you need for six hours on the water:

• Sunglasses and a sun hat
• High-factor sunscreen
• A towel and swimwear
• Aqua shoes for rocky surfaces
• Your own snorkeling mask and snorkel if preferred
• A small waterproof pouch for essentials

Large bags and luggage are not allowed. Hotel pickup and drop-off are also not included, so you need to arrange your own way to the Trou d’Eau Douce jetty.

The boat operates in French and English, and the group limit is 14 people. You can cancel up to 24 hours ahead for a full refund, and the reserve-now, pay-later option gives you some flexibility while planning.

Is the five-island speedboat tour worth $100?

I think it is good value for an active day in southeast Mauritius. The price covers a fast boat, several islands, a waterfall, historic sites, swimming, snorkeling gear, snacks, drinks, and a substantial BBQ lunch. The small group and engaging guides add practical value, especially when you need help boarding, swimming, or getting photographs.

I would book it if you want to see many sides of the coast in one outing. I would also book it if dolphins, turtles, monkeys, and a lively boat ride sound more appealing than a slow, polished cruise.

I would skip it if your ideal day means sitting quietly on one beach or exploring each historic site at length. And if you care about snorkeling equipment, bring your own. For most active visitors, though, this is a well-filled day with enough food, water time, scenery, and local character to justify the cost.

FAQ

How long is the five-island speedboat tour?

The activity lasts six hours. The schedule includes sightseeing, snorkeling, swimming, wildlife watching, a BBQ lunch, and beach time.

Where does the tour meet?

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

Is hotel pickup included?

No. Hotel pickup and drop-off are not included, so you must arrange your own transport to and from the meeting point.

Are lunch and drinks included?

Yes. Lunch, drinks, snacks, and beer with the BBQ are included. Vegetarian food is available, and lobster may be offered for an additional charge.

Is snorkeling equipment provided?

Yes. Snorkeling gear is included. If you prefer better-fitting or more hygienic equipment, you may want to bring your own mask and snorkel.

Is the tour suitable for pregnant women?

No. The activity is not suitable for pregnant women. Large bags and luggage are also not allowed.