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Discover the eco-friendly Try Dive experience in Sesimbra, Portugal, offering safe, guided introduction to scuba with marine conservation and stunning seabed views.
If you’re looking to dip your toes into the world of scuba without committing to a full certification, the Eco – Try Dive organized by Anthia Diving Center in Sesimbra might just be your ideal starting point. With stellar reviews backing its professionalism and safety, this experience promises a hands-on, eco-conscious introduction to the seabed, all within the beautiful setting of Portugal’s Setubal District.
What makes this tour truly special is its focus on marine preservation, offering participants the chance to contribute to cleaning up the ocean while exploring its wonders. While it’s a short, 4-hour adventure, it’s packed with enough excitement and learning to make a memorable day.
One thing to consider is the modest group size—max 15 travelers—which ensures personalized attention but might mean booking ahead is wise. This experience suits curious beginners, nature lovers, and those eager to see the marine ecosystem up close, even if they haven’t tried diving before.


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The Eco – Try Dive experience begins at the Anthia Diving Center in Sesimbra, a charming coastal town famed for its natural beauty and marine biodiversity. Meeting at 2:30 pm, you’ll first receive a briefing on safety procedures, the basics of scuba equipment, and the environmental ethos behind the program. The staff at Anthia are known for their professionalism and friendliness, which sets the tone right from the start.
Following this, you’ll be fitted with all the necessary gear—mask, fins, wetsuit, and tank—and assigned an instructor. The instructor-to-participant ratio is carefully maintained at one instructor for every two people, emphasizing safety and personalized attention. This is especially reassuring for first-timers, as many reviews highlight the staff’s kindness, patience, and clear instructions.
Depending on the day’s conditions and your comfort level, your dive might take place in confined waters or open water. The waters around Sesimbra are celebrated for their visibility and vibrant marine life, making it an ideal location for beginners. The experience offers a chance to see the seabed and marine species up close—more than 1500 species are known to inhabit this protected area.
What we particularly appreciate is the eco-diving focus. Instead of just exploring, participants are encouraged to help with seabed cleanup activities, which adds a meaningful dimension to the experience. Several reviewers noted the pride they felt in contributing to marine conservation while enjoying the natural beauty around them.
Safety is evidently a priority at Anthia Diving Center. Many reviewers praised the professional approach, mentioning how well-organized and attentive the staff was. For example, one reviewer highlighted how the team balanced safety with fun, making sure even children, aged 12 and 15, felt secure while enjoying their first underwater experience.
The instructors are also attentive to individual needs, listening carefully and making adjustments as necessary. Many reviewers expressed feeling reassured and cared for throughout the experience, which is crucial for beginners.
At the end of the session, participants receive a “Mission Deep Blue” certificate, signifying their contribution to marine preservation efforts. This adds a rewarding, eco-conscious element that many travelers find appealing—you’re not just learning to breathe underwater but also helping to protect the environment.
Priced at around $103.18 per person, this experience offers excellent value. It includes all necessary equipment, expert guidance, and the opportunity to learn about marine conservation firsthand. The small group sizes and certified staff enhance the overall quality and safety, making it a smart choice for those new to diving.
Many recent reviewers praised the professionalism of the guides, with one noting, “The staff was very professional and very kind. I had a marvelous experience and felt safe at all times.” Others appreciated the beauty of Sesimbra’s waters, describing it as a “hidden gem” with abundant sea life and clear visibility.
A notable highlight was the combination of fun and safety, with one reviewer mentioning that their children, despite their age, were well taken care of and enjoyed their first experience. The instructors’ ability to balance educational content with enjoyment is frequently highlighted as a major strength.

The tour is usually booked about 12 days in advance, emphasizing the importance of planning ahead, especially during peak summer months. Starting at 2:30 pm in the afternoon, the experience allows travelers to enjoy a relaxing morning before heading to the dive site.
With a maximum of 15 travelers, the group size fosters a more intimate experience. Participants should have moderate physical fitness, but no prior diving certification is needed. This makes the tour accessible to most travelers who are reasonably active and comfortable in water.
The meeting point is at the Anthia Diving Center in Sesimbra, a convenient location near public transportation. The experience concludes back at the starting point, so transportation logistics are simplified. Note that lunch is not included, so plan for a meal or snack afterward.
This activity is weather-dependent; if canceled due to poor conditions, you’ll be offered a different date or a full refund. Cancellations made more than 24 hours in advance are fully refundable, which adds flexibility in case of unforeseen issues.
This experience is perfect for beginners curious about scuba, eco-conscious travelers, and families with children looking for a safe and meaningful introduction to underwater activities. If you’re someone who values professional guidance, stunning marine scenery, and conservation efforts, you’ll find this tour rewarding.
It’s also ideal if you prefer a small group setting, ensuring personalized attention. While it’s not a full certification course, it’s enough to spark a genuine interest in marine exploration, leaving you with unforgettable memories and a sense of contributing positively to the environment.

The Eco – Try Dive in Sesimbra stands out as an excellent choice for those seeking a safe, guided, and eco-friendly introduction to the underwater world. Its combination of professional staff, focus on marine preservation, and stunning location makes it a memorable experience that goes beyond just a first-time dive.
While it’s a short outing, it offers a wealth of value—especially for travelers eager to witness Portugal’s vibrant marine biodiversity firsthand. The small group size and attentive guidance ensure that even nervous beginners can feel confident and well-supported. Plus, the eco-initiatives add a meaningful touch that aligns well with environmentally conscious travelers.
If you’re ready to explore beneath the waves and contribute to ocean health while having fun, this tour is definitely worth considering. It’s a genuine, authentic dive into Portugal’s marine treasures, and one that many will cherish long after surfacing.

Is this experience suitable for children? Many reviewers mention children aged 12 and 15 participated happily. The guides are attentive and safe-focused, making it suitable for families with children who meet moderate physical fitness levels.
Do I need prior diving experience? No, this is a beginner-level program designed for those with no previous certification. It’s an introductory experience, perfect for first-timers.
What is included in the price? The fee covers all scuba equipment needed for the experience, guidance from professional instructors, and the eco-diving contribution leading to the “Mission Deep Blue” certificate.
What should I bring? You’ll mainly need to wear comfortable clothing, perhaps a swimsuit underneath, and bring a sense of adventure. Lunch is not included, so plan accordingly.
Can I cancel if my plans change? Yes, cancellations made at least 24 hours before the scheduled start are fully refundable. Less than 24 hours’ notice means no refund, so plan ahead.
What is the group size? Up to 15 travelers, ensuring personalized attention and a more relaxed experience.
How long does the experience last? Approximately 4 hours, including briefing, equipment fitting, the dive, and debriefing.
What’s the best time of day to do this? The experience starts at 2:30 pm, making it a perfect afternoon activity, especially in warmer months.
The Eco – Try Dive experience in Sesimbra offers a safe, engaging, and environmentally friendly way to discover Portugal’s marine beauty. Whether you’re a first-time diver or someone looking to contribute to ocean conservation, this tour balances fun with purpose—making it a worthwhile addition to your travel plans.