Eco – Try Dive

The unusual part of this beginner scuba session is its conservation goal. You are not only learning to breathe underwater in the Arrábida region and Luiz Saldanha Marine Reserve, you also have the chance to help clean the seabed and qualify for a Mission Deep Blue certificate. It gives a first underwater experience a useful purpose.

I like the small instructor ratio, with one instructor for every two people in the water, and I like that safety training is treated as an ongoing responsibility rather than a quick formality. The main drawback is practical: this is a four-hour activity with no lunch included, and it depends on suitable weather.

Key points to know

• Eco-focused beginner session: Help with seabed cleanup rather than simply observing underwater life.
• One instructor for every two people in the water: A reassuring setup for first-time participants.
• Setubal District location: The session takes place from Anthia Diving Center in Sesimbra, beside the Porto de Abrigo.
• Marine reserve setting: The Arrábida area and Luiz Saldanha Marine Reserve are associated with more than 1,500 species.
• About four hours from start to finish: Plan your afternoon around the 2:30 pm start and return to the same meeting point.
• Flexible booking terms: Cancellation is free up to 24 hours before the start, while bad weather may lead to a new date or full refund.

Why this Sesimbra experience feels different

A standard first scuba lesson is already a memorable way to see the sea from a new angle. Anthia Diving Center adds an environmental task, making the session feel less like a simple equipment trial and more like a short introduction to responsible marine recreation.

You begin without committing to a full certification course. That matters if you are curious about scuba but unsure about the time, cost, or effort required for formal training. This session lets you test the basics in confined or open water before deciding if you want to continue.

The setting also adds real interest. Sesimbra lies in Portugal’s Setubal District, within the Arrábida region and near the Luiz Saldanha Marine Reserve. The area is described as home to more than 1,500 different species, so the underwater setting has more going for it than a few minutes of practice with a tank.

Your actual wildlife sightings cannot be guaranteed. Sea conditions, visibility, and the timing of your session will affect what you see. Still, the location gives this beginner activity a stronger natural setting than a lesson held only in a swimming pool.

Arriving at Anthia Diving Center at 2:30 pm

The meeting point is Anthia Diving Center, Porto de Abrigo, Loja 1, 2970-152 Sesimbra, Portugal. The activity starts at 2:30 pm and ends back at the same location, which keeps the afternoon simple. You do not need to arrange a separate return transfer or work out where the session finishes.

The center is near public transportation, a useful detail if you are visiting Sesimbra without a car. You should still allow enough time to arrive calmly, find the center, and be ready at the stated start time. A scuba lesson is not the sort of appointment where arriving at the last moment helps.

Confirmation is provided when you book. The activity accepts mobile tickets, so you can keep the booking on your phone rather than carrying a printed voucher.

The group can reach a maximum of 15 people. That is not a private lesson, but the water ratio is much more important here: one instructor is assigned to every two participants in the water. This arrangement helps the instructor watch your breathing, body position, comfort, and response to instructions.

The first briefing: equipment, safety, and expectations

Your first task is learning how the equipment works. Scuba equipment is included, so you do not need to rent the basic kit separately. The supplied details do not specify the exact equipment list, changing-room arrangements, or time spent in each stage, so you should think of this as a guided introductory session rather than a fully itemized training course.

Safety is central to the way Anthia presents the activity. The center emphasizes continuous training for its instructors and diving professionals, and the close instructor ratio supports that approach. For a first-time participant, this is perhaps the most important feature of the whole experience.

You will need a moderate level of physical fitness. That does not mean you need to be an athlete, but you should be comfortable handling a water-based activity and following instructions while wearing scuba equipment. If you have concerns about your ability to take part, it is sensible to ask the center before booking.

The briefing should also help you understand what a first session can and cannot offer. You are being introduced to underwater breathing, basic equipment, and the feel of moving beneath the surface. You are not completing a full scuba certification in four hours.

That distinction protects your expectations. If you want a formal qualification for independent scuba trips, you will need a longer certification program. If you want to find out how you respond to being underwater, this shorter format makes more sense.

Entering the water with close support

The water session is where the experience becomes more than a classroom introduction. You use scuba equipment and enter either confined or open water, depending on the program and conditions. The available information does not promise a particular reef, cove, depth, or named underwater route, so you should not book this expecting a fixed sightseeing itinerary.

What you can count on is direct support. With one instructor for every two people in the water, you should have frequent access to help and correction. That is especially useful if you need a moment to settle your breathing, adjust to the equipment, or regain confidence.

The setup also makes this a reasonable option for families with older children who are ready to follow instructions. Two children, aged 12 and 15, completed a first session with the center, and the staff were described as balancing safety, structure, and fun. That does not establish a universal minimum age, so families should confirm suitability directly before booking.

Language may not be a barrier for everyone, but it can affect a first scuba lesson. One account describes a 12-year-old taking part despite not speaking the local language, with staff listening carefully to his needs. That suggests patient communication is part of the center’s approach, though the available information does not identify the languages spoken by individual instructors.

You should expect the instructors to keep a close eye on comfort and safety rather than rush you through the activity. The center’s goal is for you to feel happy taking part in something new, and the staff’s described style is attentive, serious when needed, and relaxed when possible.

The eco mission beneath the surface

The conservation element is the strongest reason to choose this particular session over a basic introductory lesson. You have the opportunity to help clean the bottom of the sea, connecting your first scuba experience with the health of the local marine environment.

The exact type and amount of debris are not specified, so do not treat this as a guaranteed large-scale cleanup operation. It is better understood as a practical conservation component built into a beginner activity.

That distinction does not make it unimportant. Picking up marine litter during a supervised session can change the way you look at the seabed. Instead of treating the underwater world as scenery, you become aware that it needs care and attention.

The setting adds weight to the idea. The Arrábida region and Luiz Saldanha Marine Reserve support more than 1,500 species. Even if your session reveals only a small part of that variety, the experience places you in an area recognized for marine life and conservation value.

At the end, you may qualify to receive a Mission Deep Blue certificate. The certificate gives children and adults a tangible reminder of the activity, though it should not be confused with a professional scuba qualification.

What the marine setting can and cannot promise

The water around Sesimbra is described as clear and full of sea life, which is encouraging for a first underwater outing. Clear water can make a major difference when you are learning: you can see your instructor more easily, understand hand signals, and feel less closed in.

Still, visibility is never a permanent guarantee. Weather conditions are important enough that the operator may cancel and offer another date or a full refund. The experience requires good weather, so a change of plans is possible even after you have arranged your day.

You should also keep your expectations measured. This is an introduction, not a specialist wildlife excursion. You may notice marine life while learning, but the focus remains safe beginner instruction and the eco task.

I like that balance. A first scuba session works best when you are not worrying about ticking off a list of species. You can pay attention to breathing, movement, and the strange pleasure of hearing your own breath underwater.

Is $103.18 good value?

At $103.18 per person, this is not the cheapest way to spend an afternoon in Sesimbra. Its value depends on what you want included in that price.

The fee covers the scuba equipment and a guided beginner experience with a notably close instructor ratio. It also includes the eco component and the chance to qualify for the Mission Deep Blue certificate. For someone testing scuba for the first time, those elements make the price easier to justify than a bare equipment rental or a short unsupervised water activity.

Lunch is not included. Since the session lasts about four hours and begins at 2:30 pm, you should eat beforehand or plan food for afterward. Do not assume the activity will provide a meal or finish early enough for a relaxed lunch break.

The maximum group size is 15, so you are not paying for a guaranteed private outing. The one-to-two ratio in the water softens that concern, but you should still expect some group organization before and after your personal water time.

The activity is booked, on average, 12 days ahead. That is a useful planning clue. If your dates are fixed, booking around two weeks in advance is sensible, especially if you want to protect a particular afternoon during a Portugal trip.

Who will enjoy this most

I would choose this for a first-timer who wants a real introduction without signing up for a full certification course. It also suits someone who likes the idea of combining outdoor recreation with a small conservation action.

Families may find it appealing for older children who are physically ready, attentive, and comfortable trying something unfamiliar. The accounts involving 12 and 15-year-olds are encouraging, but there is no stated age policy in the supplied details, so you should confirm the rules for your child.

The experience also fits visitors who value close supervision. If you are nervous about breathing underwater, the one-instructor-for-two ratio is a meaningful advantage. You will have a better chance of receiving calm, immediate guidance than in a large lesson with one instructor managing many people.

It may not suit you if you want a long underwater route, a guaranteed list of animals, a formal scuba license, or a full-day marine excursion. It is also less convenient if you have only a narrow schedule and cannot tolerate a weather-related change.

Service animals are allowed, and the center is near public transportation. Those details can matter when you are planning around mobility, access, or a car-free visit, though the supplied information does not give further accessibility specifics.

Cancellation and weather planning

You can cancel for a full refund up to 24 hours before the local start time. Inside that 24-hour window, the payment is not refunded, and changes are not accepted.

Weather is handled differently. If poor conditions cause the operator to cancel, you are offered another date or a full refund. I would avoid placing an important evening commitment immediately after the session, since the activity lasts approximately four hours and weather can affect the plan.

The simplest approach is to keep your Sesimbra schedule flexible. Put this activity on an afternoon when a change of date will not disrupt flights, train connections, or another prepaid excursion.

My recommendation for Anthia’s eco scuba session

I would book this if you want a well-supported first taste of scuba in a marine reserve setting and like the idea of leaving the seabed cleaner than you found it. The safety structure, equipment inclusion, and environmental purpose give the activity more substance than a basic underwater photo opportunity.

I would pause if you are looking for certification, a guaranteed wildlife encounter, or a private session. You should also plan around the 2:30 pm start, four-hour duration, no included lunch, and possible weather changes.

For most curious beginners, the best reason to choose Anthia is simple: you can try something new with close instructor support while taking part in a useful local conservation effort. That is a fair use of an afternoon in Sesimbra, especially if your goal is an authentic first step rather than a full scuba qualification.

FAQ

Where does the activity start?

It starts at Anthia Diving Center, Porto de Abrigo, Loja 1, 2970-152 Sesimbra, Portugal. The activity ends back at the same meeting point.

What time does the session begin?

The scheduled start time is 2:30 pm.

How long does the experience last?

The experience lasts approximately four hours.

Is scuba equipment included?

Yes. Use of scuba equipment is included in the price.

Is lunch included?

No. Lunch is not included.

What happens if the weather is poor?

The experience requires good weather. If it is canceled because of poor conditions, you will be offered a different date or a full refund.