Reviewed · DISCOVER SCUBA DIVING
Introductory dive, to get started!
St Leu’s clear bay gives you a gentle introduction to Réunion’s underwater world, with an instructor beside you for a 20-minute session at up to 6 meters. I like the careful pace and the fact that equipment and teaching are included, so you do not need prior experience or a full kit of your own. I also like the calm finish with tea or coffee while you talk through what you saw.
The main consideration is the time commitment. The underwater portion lasts only 20 minutes, but the full visit takes about 3.5 hours. If you want a long underwater session, this is not it. If you want a safe first step with plenty of guidance, it makes good sense.
Key points to know before booking

- A true first-time introduction: No previous underwater experience is required.
- 20 minutes at up to 6 meters: The session stays shallow and closely supervised.
- Morning or afternoon options: Choose an 8 a.m. or 1 p.m. start, with about 3.5 hours in total.
- Equipment and instruction included: The price covers the lesson and loan of the necessary gear.
- A gentle pace in St Leu Bay: You enter the water gradually, with the instructor close by.
- A first step toward certification: The session can help you begin working toward your first level certification.
A gentle first look beneath St Leu Bay

For many people, the hardest part of underwater exploration is not seeing fish. It is getting used to breathing, moving, and staying calm in an unfamiliar setting. This experience is built around that first adjustment.
Your instructor stays at your side in the bay of St Leu and lets you progress at your own pace. You are not expected to know how to use the equipment before you arrive. The teaching comes first, and the underwater sightseeing follows once you feel ready.
The maximum depth is 6 meters. That matters for a beginner because the session remains shallow, manageable, and focused on comfort rather than distance or technical skill. You may see fish, colors, coral reef life, and possibly marine mammals from the Indian Ocean.
The advertised underwater time is 20 minutes. That is enough for a first taste, but it is not a full-length session for an experienced certified participant. I would view it as an introduction, not as a substitute for a longer underwater outing.
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What happens during the 3.5-hour visit

The full activity lasts about 3.5 hours, so plan around it rather than trying to squeeze it into a short gap between other plans. You can begin at 8 a.m. or 1 p.m.
The visit starts with administrative formalities. This part is not glamorous, but it gives the team a chance to handle the practical details before you enter the water. It also helps the instructors understand that you are new and may need extra explanation.
Next comes equipment fitting and preparation. The staff helps you get ready and explains how the equipment is used. For a first-time participant, this stage is important. Feeling comfortable on land makes the first minutes in the water much easier.
You then head out by boat. Before entering the water, the instructor explains what will happen, what you may see, and how the session will unfold. Use this time to ask questions. You do not need to pretend that you understand everything immediately. Good instruction is part of the experience, not an extra reserved for advanced participants.
Once you are ready, the instructor guides you into the water. The emphasis is on a steady pace. You can take time to adjust, listen to directions, and settle into the new sensation before looking around for sea life.
After the 20-minute session, you return to the center. You can cool off or have a hot cup of tea, then help rinse the equipment. The visit ends with an informal discussion over coffee, tea, or cold water. That closing conversation gives the experience a useful sense of completion. You get to talk through what you saw and how the underwater world felt, rather than simply changing clothes and leaving.
Why the shallow 6-meter limit helps beginners

Six meters may sound modest, but it is a sensible limit for a first underwater experience. You are learning several things at once: how to breathe through the equipment, how to move without fighting the water, how to respond to the instructor, and how to stay relaxed while taking in new sights.
A shallow setting leaves room for that learning process. You can focus on comfort and awareness instead of worrying about reaching a certain depth. The instructor can remain close and respond to your pace.
The underwater setting also gives the lesson a purpose. You are not only practicing equipment skills in a featureless area. You are entering a calm reef environment where fish, colors, and other Indian Ocean life may appear around you.
Of course, wildlife is never guaranteed. Marine mammals are included in the description of the area, but you should not book this expecting a particular animal to appear. The strongest reason to come is the chance to experience the reef safely for the first time.
Instruction is the main feature, not an afterthought
The safety element deserves attention. This is not an activity where you are handed equipment and sent into the water alone. An instructor supervises you throughout the session and remains attentive to how comfortable you are.
That makes the experience suitable for someone who feels curious but nervous. You can ask questions during the boat briefing, take things slowly in the water, and receive help as you adjust. The teaching is designed for someone who has never done this before.
I also like that the session does not treat beginners as a nuisance. The plan allows time for explanations, setup, and a post-session chat. Those details can make a big difference when you are trying something unfamiliar.
Still, you need to take the health restrictions seriously. The activity is not suitable for children under 8, pregnant women, people with respiratory issues, people with epilepsy, people with a cold, or people who have had recent surgery. If any of those conditions apply, choose another activity or seek appropriate medical advice before booking.
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What you see in the Indian Ocean setting
St Leu’s bay is the setting for the underwater portion. The water is described as luminous, and the area supports a variety of fish and Indian Ocean marine life.
You may notice that the experience is as much about atmosphere as wildlife. The calm feeling of breathing underwater, the colors around the reef, and the quiet pace are all part of the appeal. For a first session, that sense of entering a different environment can be more memorable than ticking off a long species list.
The 6-meter maximum keeps the experience close to the surface, but it does not remove the sense of discovery. You still get a new view of the coast and a chance to observe reef life from within the water rather than from a boat.
Because only 20 minutes are spent underwater, you should keep your expectations realistic. You may see several kinds of fish and reef colors, but there is no promise of a particular animal or an extended route. The value lies in the carefully managed introduction.
The cost: what $120 covers
At $120 per person, the price includes instruction by an instructor and the loan of diving equipment. That is important because buying or arranging your own gear would make a first attempt more complicated and expensive.
You are paying for more than 20 minutes in the water. The price also covers the preparation, equipment fitting, boat briefing, supervision, return to the center, equipment rinsing, and time to discuss the experience afterward. The activity is structured as a lesson and introduction, not simply a short swim.
The value depends on your goal. If you already have experience and want a long session, $120 may feel high for the limited underwater time. If you are new and want a supervised beginning without purchasing equipment, the price is easier to justify.
I would also count the instructor support as part of the value. For many first-timers, the confidence to enter the water safely is the main thing they are paying for. A cheaper activity with little guidance would not offer the same kind of start.
Choosing between the 8 a.m. and 1 p.m. start

The early option begins at 8 a.m., while the afternoon option begins at 1 p.m. Both are listed with a total duration of about 3.5 hours.
Choose the morning if you want to finish early and keep the rest of the day open. Choose the afternoon if you prefer a slower start or want to place the activity later in your schedule.
The important point is to allow the full time window. The underwater portion is brief, but the experience includes preparation and discussion. Do not plan another fixed appointment immediately afterward.
Bring a towel and beachwear. These are simple items, but you will need them for changing and drying after the water session. The activity also includes time for a hot drink, coffee, tea, or cold water after returning to the center.
Who will enjoy this most
This experience is best for a first-timer who wants clear instruction and a calm introduction. It suits you if the idea of breathing underwater is exciting but slightly intimidating, or if you want to try the activity before committing to a full course.
It is also a practical choice if you are visiting Réunion and want an activity that connects you with the Indian Ocean without needing to bring your own equipment. The availability of English, French, and Spanish instruction makes communication easier for a wider range of participants.
Families should note the minimum age of 8. The experience is not suitable for younger children, and it is not appropriate for pregnant women or people with the listed medical conditions.
This is less suitable for an experienced participant seeking distance, depth, or a long underwater route. The shallow limit and 20-minute session are designed around discovery and comfort.
Starting toward a first level certification
The activity is presented as a possible first step toward your first level certification. That makes it useful for someone considering formal training but not yet sure how they will feel underwater.
A first introduction can answer practical questions. Can you stay relaxed while using the equipment? Do you enjoy moving beneath the surface? Are you comfortable listening to an instructor and following basic guidance?
You should not assume that this 20-minute session alone completes a full certification. It is an introduction that may help you begin that process. Ask the instructors about the next step if certification is your goal.
Booking, payment, and cancellation
You can reserve your place and pay later, which helps if you are still arranging your Réunion plans. The activity can be canceled up to 24 hours in advance for a full refund.
That flexible policy is useful for an outdoor water activity, since plans can change. Even so, check your health and schedule before reserving. The activity is not suitable if you have a cold or one of the stated medical restrictions.
SUB EXCELSUS offers instruction in English, French, and Spanish. That language choice is worth considering when booking, especially if you want detailed explanations during the equipment setup and boat briefing.
Should you book this St Leu experience?
Book it if you want a carefully guided first underwater session, shallow water, loaned equipment, and enough time to learn before and after entering the bay. The instructor support is the main reason to choose it, and the chance to see Indian Ocean reef life gives the lesson a real sense of place.
Skip it if you want a long underwater outing or already have substantial experience. Twenty minutes at up to 6 meters is intentionally modest.
For a beginner, though, the format is sensible. You get instruction, safety supervision, equipment, a boat briefing, and a relaxed debrief for $120. Bring beachwear and a towel, allow 3.5 hours, and arrive ready to learn rather than chase a particular animal. That is the best way to enjoy what this St Leu introduction offers.
FAQ
How long does the activity last?
The total duration is about 3.5 hours. The supervised underwater session lasts 20 minutes.
How deep will I go?
The maximum depth is 6 meters.
Do I need previous experience?
No. The experience is designed for people who have never done an introductory underwater session before.
What does the price include?
The price includes instruction by an instructor and the loan of diving equipment.
What should I bring?
Bring a towel and beachwear.
Who cannot take part?
The activity is not suitable for children under 8, pregnant women, people with respiratory issues, people with epilepsy, people with a cold, or people with recent surgeries.
What languages are available?
Instruction is available in English, French, and Spanish.
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