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A pioneering experience in Portugal. Be among the first to try ClearBoat, the first fully transparent boat tour in Portugal.
Departing from Sesimbra's Harbour, this coastal tour sails through stunning landscapes all the way to gems like Praia do Ouro and Praia do Ribeiro do Cavalo. Along the way, you’ll have time to swim, relax, and observe the marine life below.
All in small, exclusive groups, to ensure comfort and a deep connection with the sea.
This isn’t just a new activity — it’s a new way to see and feel the ocean.
Public transportation options are available nearby
Infants are required to sit on an adult’s lap
Not recommended for pregnant travelers
Not recommended for travelers with poor cardiovascular health
Suitable for all physical fitness levels
Ribeira do Cavalo Beach
Sail along the coastline of Sesimbra and stop for a dive close to Praia Ribeiro do Cavalo, consider one of the gems of Sesimbra.
Bottled water
Life vest
WiFi on board
Restroom on board
For a full refund, cancel at least 24 hours before the scheduled departure time.
84 đánh giá
Tổng số đánh giá và xếp hạng từ Viator & TripAdvisor
JoanaS2276,29 thg 6, 2026
- Đánh giá từ Tripadvisor
Amazing experience, super friendly and attentive staff! I highly recommend!
Sightseer58965949199,28 thg 6, 2026
- Đánh giá từ Tripadvisor
Very good, relaxing and fun
Mobile12671324096,28 thg 6, 2026
- Đánh giá từ Tripadvisor
A wonderful experience by the unique coast that Arrábida offers. The guides Peter and Diogo were unbeatable for all the help and information. I recommend
O2211QPluisab,28 thg 6, 2026
- Đánh giá từ Tripadvisor
The experience was spectacular. The team is very professional and friendly. Very recommended. Congratulations
Scenic24006303870,21 thg 6, 2026
- Đánh giá từ Tripadvisor
Wonderful From the boat that offers us unique visibility on the seabed, to the simplicity and sympathy of the crew. Without forgetting Débora in the backoffice with a 1000% support Highly recommended

Culture18611865326,13 thg 6, 2026
- Đánh giá từ Tripadvisor
Excellent experience with SeaTru in Arrábida. The transparent boat ride exceeded expectations, allowing you to appreciate the crystal clear waters and the unique beauty of the coast in a different way. Marcelo and Diogo were exceptional guides, very friendly, professional and always available to explain curiosities about the region. They made the experience even more interesting and fun. I highly recommend to anyone who wants to discover Arrábida from a unique perspective. ⭐⭐⭐⭐⭐
Explorer39484539280,11 thg 6, 2026
- Đánh giá từ Tripadvisor
It was an incredible experience. The best way to visit the coast of Sesimbra, and the marine life, birds, fish, coral. And at the end some beautiful dive. I highly recommend

R246IQanav,23 thg 9, 2025
- Đánh giá từ Tripadvisor
A very good and different experience! Being able to look at the bottom of the sea and the life that bubbles there takes us out of the day-to-day bustle and connects us to Nature. Marcelo and Diogo have great energy and let us know beautiful things. You see they like what they do. Super available and well disposed. The highlight was undoubtedly the break for a diving! We took our 10-year-old nephew who also loved the tour :)
nunob2014,22 thg 9, 2025
- Đánh giá từ Tripadvisor
Fantastic experience! The transparent boat from Seatru is amazing for observing the seabed and marine life. Marcelo and Diogo were super friendly and attentive, making the tour even more special. I recommend 100%!




Flyer04532851232,20 thg 9, 2025
- Đánh giá từ Tripadvisor
We had the Clearboat experience and it was incredible... Marcelo and Diogo made this experience worth it. They showed us the roughest points of the coast and told us about various curiosities. Very interesting and to repeat again. Next time will be the clear kayak 😉


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