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The funnier and more refreshing summer activity, with a little bit of adrenaline, combines hiking, climbing on rocks, bouldering, cliff jumping, and swimming - snorkeling in the turquoise waters of the Aegean Sea, above the Temple of Poseidon. All Greece - mythology, sea, and sun - in one activity!
Public transportation options are available nearby
Not recommended for travelers with spinal injuries
Not recommended for pregnant travelers
Not recommended for travelers with poor cardiovascular health
Travelers should have at least a moderate level of physical fitness
For a full refund, cancel at least 24 hours before the scheduled departure time.
The most beautiful summer activity in Athens is taking place in the Sounio area - the most impressive area that you will see close to Athens. The crystal light blue water of the Aegean Sea with the gorgeous rocks of the coastline offers endless adrenaline. The coasteering activity combines the high jumps from the rocks, swimming, snorkeling, and climbing in the rocks above the sea - on the coastline below the Poseidon Temple. Coasteering can be determined as the absolute summer activity in the Attica region.
Life vest
Mask & sea snorkel
All Fees and Taxes
Helmet
Wetsuit
Shoes
Bottled water
Snacks
Transportation (depending on the number of participants and location)
12 đánh giá
Tổng số đánh giá và xếp hạng từ Viator & TripAdvisor
Sharon G,,5 thg 9, 2025
- Đánh giá từ Viator
Great experience. The area is beautiful, lots of different activities packed into one. You hike, scramble over boulders, cliff jump, snorkel. Our guide was great, she took pictures and sent them to us after. She helped arrange a driver for us from Athens who waited and let us visit the temple of Poseidon after before heading back to Athens. I have always been hesitant to cliff jump and figured I would not to any of them, but she started us on just a very small jump and kept moving us up to slightly bigger jumps. I jumped off much higher than I ever expected I would be willing.
Patricia A,,23 thg 8, 2025
- Đánh giá từ Tripadvisor
Nikki did a great job! The hiking wasn’t too difficult, and the snorkeling was a nice treat. You get to jump off of smaller and then larger jumps. She goes through all the safety measures, so you feel secure. Still, it was a great thrill!
901pierrealexandred,,6 thg 8, 2025
- Đánh giá từ Tripadvisor
We had a wonderful time with Nikki and Billy, they have a lot of expérience and background in outdoor activities. They are really professional and they adapted the activity to the skill of the Group We really recommend taking them if you want to have a mémorable Time The activity have been the highlight of our greece trip Thank you
Susie F,,3 thg 7, 2025
- Đánh giá từ Viator
Our tour guide Nikki was knowledgable, strong and compassionate. She helped me get through a few tough moments with her encouraging words and calm presence. My family had an amazing day filled with physical challenges, fun and excitement. The environment was beautiful.
davidjQ7421BO,,27 thg 5, 2025
- Đánh giá từ Tripadvisor
Our family had a fantastic time with Niki and Base Outdoor Activities. I'd rate it the best day of our time in Greece. Niki is an experienced tour operator and a talented outdoor specialist who makes the time spent Coasteering a lot of fun. Highly recommend!

Compass27124803213,,22 thg 5, 2025
- Đánh giá từ Tripadvisor
Great caring, listening and funny team! The place is beautiful and the jumps are great! I recommend 200%! We were a group of 10 friends and loved it unanimously
K1607DVrond,,10 thg 9, 2024
- Đánh giá từ Tripadvisor
We had a wonderful time with the coasteering team. Niki and Billy created a very good vibe and stimulated every member of our group to push his boundaries. It was a great activity with much variation and a clear goal in a beautiful environment. We look back on it with great pleasure!
Lu LAS99,,20 thg 5, 2024
- Đánh giá từ Tripadvisor
We had an incredible time coasteering with the BOA team: Niki, Konstantinos, Vasilies and George around Sounio. It’s a beautiful route that includes climbing, repelling, cliff jumping and snorkelling. The team are amazing, funny, friendly, and knowledgeable, they shared Greek mythology stories as we climbed and their expertise ensured that we felt safe at all times. The team were able to offer transport from near Athens for a reasonable fee so it’s worth asking if you need transport. We both agreed it was our favourite day on holiday, I’d definitely recommend! Thank you team x

davidhJ7309IJ,,17 thg 11, 2023
- Đánh giá từ Tripadvisor
Hiking, swimming, climbing, jumping, and repelling under the temple of Poseidon. They accommodated our last-minute sign-up and ensured we had a great time. We'd do it again, and recommend it without hesitation.
Roam657788,,19 thg 8, 2023
- Đánh giá từ Tripadvisor
It was simply amazing adventure experience to do Coasteering in Sounio with BOA. Perfect combination of bouldering, hiking, jumping off the rocks around Aegean sea into the clear blue waters ( even close to the deepest part of Aegean sea), snorkeling and swimming! I didn't know completely what kind of day, I was headed to. However, at the end of the day it was well worth it. Vasilis, Niki and George took care of each one's safety of every one in the group absolutely perfectly! I would recommend everyone who wants to enjoy the adrenaline and refreshing clear blue waters of Aegean sea and the nature around it to choose Coasteering with BOA.
Vận hành bởi B.O.A - Base Outdoor Activities