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

Fast boat, big scenery, local lunch. This six-hour trip packs Mauritius’ southeast coast into one lively outing, combining historic islands and clear-water swimming with the famous Ile aux Cerfs. I especially like the mix of sea time and Mauritian history, plus the generous BBQ lunch, drinks, snacks, beer, and local rum included in the $100 price. The main thing to consider is the pace: some island stops are short, and the first rocky islands may feel more interesting historically than visually.

The tour runs in a small group of no more than 14 people, which makes the speedboat easier to manage than a large party boat. Guides such as Oliver, Rajiv, Rajesh, Wendel, Jeremy, and Ranjeev have been praised for keeping the day cheerful and helping with photos. Still, the commentary can vary, so you may get more jokes and wildlife spotting than detailed history.

The highlights at a glance

• A real speedboat ride: This is not a slow catamaran cruise. The boat cuts quickly across the waves, making the journey itself part of the fun.
• Two sides of Mauritius: See calm turquoise water inside the lagoon, then watch Indian Ocean waves hit the outer reefs near the historic islands.
• Wildlife sightings: Dolphins, sea turtles, monkeys, fish, flying foxes, and even a barracuda have been spotted, though no animal sighting is guaranteed.
• A historic lighthouse: Ile aux Fouquets, also called Ile aux Phares, has a more than 200-year-old lighthouse and links to the 1810 Battle of Grand Port.
• Beach BBQ on Ile aux Cerfs: Lunch, beer, drinks, and time to swim or sunbathe turn the final two hours into a proper island break.
• Small-group value: At $100 per person, the trip includes transport by boat, lunch, drinks, snacks, snorkeling gear, and several major southeast-coast sights.

Why this six-hour boat trip works

Mauritius has many separate sea excursions, but this one tries to connect several of the southeast’s best-known sights in a single day. You get history, wildlife, snorkeling, waterfalls, beaches, and food without arranging several different tours.

I like that the day is not built around only one postcard beach. Ile aux Cerfs is the obvious crowd-pleaser, but the route also takes you past Fouquets Island, Ile de la Passe, Ile aux Aigrettes, and the Grand River South East waterfall. The result is a broader look at the coast.

The speedboat changes the mood. You are not simply being carried from one stop to the next. You feel the wind, spray, and turns across the water. Several people have described the fast ride as one of their favorite parts, especially if you enjoy a little thrill.

That same speed has a trade-off. The ride can be lively, and the boat is less suited to anyone who wants a quiet, gentle cruise. Pregnant women should not book this activity, and anyone prone to motion sickness should think carefully before choosing a high-speed boat.

Meeting the boat at Trou d’Eau Douce

The meeting point is at the jetty beside the Mauritius flag, at Blue Alizé Catamaran Ile aux Cerfs. Despite that name, the craft used for this excursion is a speedboat, not a catamaran. One participant arrived expecting a catamaran and ended up preferring the speedboat, but it is worth knowing the difference before you go.

The group limit of 14 helps. You should have a reasonable view from the boat, and the guide can keep an eye on people during swimming and snorkeling stops. The crew speaks French and English.

Bring sunglasses, a sun hat, sunscreen, and a towel. Do not bring luggage or a large bag. You will move between boat, beach, and water, so pack lightly and keep anything you bring compact.

Ile aux Cerfs and the first taste of island time

Ile aux Cerfs is both the opening visit and the long lunch stop later in the day. On the first visit, you have about 40 minutes for a walk, photos, and a look at the beach and shallow water.

This first stop gives you a quick sense of why the island is so popular. The sand is soft, the water is clear, and the setting is easy to enjoy even if you simply want to wander. It is a good place to take broad beach photographs before the day becomes more activity-focused.

Forty minutes is enough to stretch your legs and get your bearings, but not enough for a long beach session. If your main goal is to lounge beside the sea, the later two-hour return is the part to look forward to.

Grand River South East waterfall by boat

The Grand River South East waterfall is reached by boat, with roughly 20 minutes for a visit and photographs. The waterfall itself may not impress everyone equally. Some people find the cascade modest, but the ride through the river setting adds interest.

The surrounding area is also known for monkeys. Guides have sometimes helped passengers get a closer look, and several outings have included memorable monkey sightings. This can be a fun wildlife moment, especially for children, but you should remember that feeding wild animals changes their behavior. One account specifically raised concern about guides using food to bring monkeys and birds close to boats.

Enjoy the animals without treating them like tame pets. Keep your hands and food secure unless the crew gives clear instructions, and avoid encouraging close contact.

Grand Port snorkeling and the open-water contrast

The snorkeling stop in the Grand Port district lasts about 40 minutes. This is one of the strongest parts of the day if you enjoy getting into the water. The clear conditions can reveal fish and other marine life, and sea turtles have been seen during snorkeling and nearby boat rides.

The southeast coast offers a striking change in scenery. Inside the reef, the lagoon can be calm and pale turquoise. On the seaward side, Indian Ocean waves break with much more force against the outer rocks. That contrast helps you understand the coast better than a beach-only excursion would.

Snorkeling gear is included, which saves you from packing a mask and fins. Still, the quality has not been consistent. One person found the equipment below expectations, and another recommended bringing personal gear for hygiene. If you already own a comfortable mask, I would bring it.

Aqua shoes are also worth considering. The rocky islands and some water entries can be rough on bare feet. They are not listed as included, so pack your own if you have them.

Fouquets Island, dolphins, and the wildlife luck factor

The route includes Fouquets Island, with a chance to watch dolphins. Dolphin sightings have been a major highlight, sometimes including mothers and young, but they remain wildlife sightings, not a scheduled performance.

Several guides have been praised for patiently looking for dolphins and returning to a promising area when the first attempt did not work. Oliver, for example, was described as coming back later after an unsuccessful first search. That is a good sign of effort, but it does not change the basic rule: the animals decide if they appear.

You may also spot sea turtles during the boat ride or in the snorkeling area. Some outings have had people swimming near a turtle for several minutes, while others have seen turtles only briefly. The most responsible approach is to admire them without chasing or crowding them.

This is where the guide matters most. A funny captain can make the fast ride more enjoyable, but a careful captain also keeps a respectful distance from dolphins and turtles. The best reports praised both qualities.

Ile aux Fouquets lighthouse and Ile de la Passe

Ile aux Fouquets, also known as Ile aux Phares, is the most distinctive historical stop. Its old lighthouse is more than 200 years old and has been declared a historical monument. You get about 20 minutes for a visit, a walk, and photographs.

Do not expect a long museum visit or a detailed archaeological tour. The value is in seeing the site itself and understanding its place in Mauritius’ colonial past. The lighthouse gives the island a clear identity, even if the stop feels short.

Nearby Ile de la Passe adds another historical layer. In 1810, Ile aux Phares and Ile de la Passe were part of the Battle of Grand Port between French and British forces. It is remembered as the only naval victory of Napoleon’s navy and is listed on the Arc de Triomphe in Paris.

That story is unusual and worth hearing, but the amount of explanation depends on your guide. Some guides provide useful historical context in both French and English. Others focus more on keeping the group moving, finding dolphins, or making everyone laugh. If history matters to you, ask questions while you are there.

Ile aux Aigrettes for a swim and aperitif

The stop at Ile aux Aigrettes lasts around 45 minutes and includes swimming and an aperitif. This is a pleasant middle-to-late break after the sightseeing and snorkeling.

The stop works because it gives you time to cool off without the pressure of a full beach afternoon. You can swim, enjoy a drink, and let the boat ride settle before lunch. Clear water and sheltered coves are part of the appeal.

You should not expect a long, private island stay. The whole route covers a lot of ground, and the schedule has to keep moving. If you want to stay in one quiet cove for hours, a simpler beach or lagoon trip would suit you better.

BBQ lunch and two hours on Ile aux Cerfs

The final Ile aux Cerfs stop is the reward for the busy morning. Lunch is served on the island, with a BBQ, beer, drinks, and time to relax for about two hours.

Food has been one of the most consistently praised parts of the experience. The meal has suited different tastes, including a group of four vegans who received satisfying alternatives. Vegetarian options are available, and some people have paid extra for lobster. If lobster interests you, confirm the extra cost and availability before ordering.

The meal is more than a practical refill. A beach BBQ gives the trip a local, social feel, especially after a morning spent sharing the boat with a small group. Mauritian coffee and rum-based drinks have also been popular features. The local coffee is repeatedly singled out as something worth trying.

Alcohol is included, so keep your swimming and boating plans in mind. The boat ride is fast, and the day is hot. Drink sensibly, especially if you plan to snorkel or swim after the aperitif.

After lunch, you can walk on the beach, sunbathe, or swim in the clear water. This is your best chance to slow down. The early island stops can feel brief and rocky, while this final visit offers the soft sand and open beach time many people expect from Mauritius.

What $100 really gets you

At $100 per person, the tour is not the cheapest way to reach Ile aux Cerfs. Its value comes from how much is bundled into the six-hour route.

Your price covers the speedboat, lunch, drinks, snacks, snorkeling gear, the Ile aux Cerfs visits, the Grand River South East waterfall, Ile aux Fouquets, snorkeling, and the Ile aux Aigrettes stop. You also get a bilingual guide and a small group capped at 14.

If you paid separately for transport, a beach stop, snorkeling, a meal, and a wildlife-focused boat ride, the total could become less attractive. Here, the cost buys convenience and variety. You can see much of the southeast coast without piecing together several bookings.

The value is strongest for a first visit to Mauritius, families with older children, couples who want both scenery and activity, and solo visitors who like meeting people during an organized day. It is less compelling for someone who wants a slow luxury cruise, a serious history tour, or a long snorkeling session in one location.

Free cancellation up to 24 hours ahead and the option to reserve without paying immediately make planning easier, but the key practical issue is still the weather and sea conditions. Check the available departure time when booking and arrive at the jetty with only what you need.

The guides shape the day

The excursion has received strong praise for its guides, but the experience is not identical with every captain. Names that have drawn particular praise include Oliver, Rajiv, Rajesh, Wendel, Jeremy, Ranjeev, Tony, Rhaiv, Christophe, and Irek.

The best guides do more than drive. They spot dolphins and turtles, explain the route, help with photos, assist people getting in and out of the boat, and keep the mood relaxed. Jeremy was especially praised for checking on a solo passenger and taking pictures. Wendel was remembered for finding dolphins, monkeys, turtles, and even a barracuda.

Commentary can be uneven. One person wished the guide had explained more about each sight while the boat moved along. I would treat this as an active tour rather than a formal lecture. Ask direct questions about the lighthouse, battle, islands, and wildlife, and you may get much more from the day.

Music is sometimes played on board, and at least one outing was praised for its selection. That adds energy, though it may not suit you if you prefer quiet nature watching.

Who should book this southeast Mauritius tour?

I would choose this trip if you want to cover many sights in one outing and enjoy a fast ride. It is especially good for you if your ideal day includes swimming, snorkeling, wildlife, photographs, a beach meal, and a few historical facts.

Families can benefit from the variety. An eight-year-old was included successfully on one outing, and the changing scenery helps prevent the day from feeling repetitive. Still, children should be comfortable with a speedboat, sun, and water activities.

Solo visitors can also fit in well because the group is small and guides may help with photos and personal checks. Couples will find plenty of scenic stops, though the atmosphere is social rather than private.

I would look elsewhere if you dislike speed, want guaranteed dolphin encounters, need high-end snorkeling equipment, or prefer a quiet day with long stops. Also reconsider it if you are pregnant, since the activity is specifically not suitable for pregnant women.

Should you book the five-island speedboat adventure?

I would book it for a first or second visit to Mauritius when I wanted maximum variety in six hours. The combination of the old lighthouse, Grand Port history, snorkeling, monkeys, possible dolphins and turtles, Ile aux Cerfs, and a good BBQ lunch gives you a strong return for $100.

Go in with realistic expectations. The first historic islands are rocky, the waterfall may be more pleasant than spectacular, snorkeling gear can be basic, and wildlife sightings are never guaranteed. Bring aqua shoes and your own mask if you have them, pack a towel and sun protection, and keep your bag small.

If you want a lively, well-packed day rather than a quiet cruise, this is an easy recommendation. The speedboat, friendly guides, local drinks, and final beach lunch are the reasons this outing earns its place on a southeast Mauritius itinerary.

FAQ

How long is the five-island adventure?

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

Is the boat a speedboat or a catamaran?

The experience uses a speedboat. The meeting point includes the words Blue Alizé Catamaran Ile aux Cerfs, but the excursion itself is operated by speedboat.

What languages does the guide speak?

Guides provide the tour in French and English.

Is lunch included?

Yes. Lunch is included and is served at Ile aux Cerfs. The meal is a BBQ, and vegetarian options have been available.

Are drinks included?

Yes. Drinks, snacks, beer, and local rum are included during the experience. Mauritian coffee is also served.

Is snorkeling equipment provided?

Yes. Snorkeling gear is included, although you may prefer to bring your own equipment for comfort and hygiene.

What should I bring?

Bring sunglasses, a sun hat, sunscreen, and a towel. Large bags and luggage are not allowed.