Lava Islands Adventure: Swim and Snorkel

Embark on a private sailing adventure from Fira and explore the volcanic wonders of Nea Kammeni and Thirassia. Swim, snorkel, and indulge in traditional Greek cuisine on this unforgettable journey.

Duration: 3 hours
Cancellation: 24 hours
Highlights
  • Santorini Old Harbor - We will cruise along the coast of Santorini in the waters of the Aegean Sea.
    First up, we will swim in the warm sultry waters of Nea Kammeni.
    We will then go to Thirassia. Here you will have the opportunity to swim or snorkel in the beautiful crystal clear waters and sail near a volcano and get into vacation mode with…
What's Included
  • Use of snorkeling equipment
  • Snacks
Additional Information

Join us on this breathtaking trip to Nea and Palea Kammeni, the lava islands in the middle of the crater.
First up, we will see the more recent volcanic eruptions that have created them, by swimming in the warm sultry waters of Nea Kammeni.
Our next destination will be the lava island, called Palea Kammeni. A volcanic island that has risen from the…

Location
Santorini Old Harbor
When you are down at the port,as you face the sea,walk left and you will see a small white chapel.Your vessel under the name Mirsini or Taxiarchis,will be waiting for you close to it!
Cancellation Policy

For a full refund, cancel at least 24 hours before the scheduled departure time.

Customer Ratings
5.0
(40 Ratings)
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Clodaghl925
Jul 8, 2025
A must - Absolutely wonderful experience. Happy to add our five star review to that of others. Our family including two teenage girls absolutely loved this. Panos is a considerate host but also highly informed, experienced and passionate about his guests experience. Worth every penny.
Review provided by Tripadvisor
Voulac959
Jun 20, 2025
Great boat tour!!! - An amazing experience! We had a great time. We loved snorkeling, visiting the hot spring, and the great tapas on the boat!! Thank you to Panos for a safe and memorable experience for our family. We’ll visit again soon.
Review provided by Tripadvisor
N535mwjonathanc
Jun 20, 2025
Amazing tour of Santorini - Simply the best experience i've had so far on my trip. Panos ( our guide) is one of the best, so welcoming and genuinely cares about his clients and their safety. We got to learn about the history and how the landforms are how they are now, as well as swimming in hot spring and snorkeling. At the end, Panos cooked us a great meal and explained why the food is prepared the way it is. Panos is comfortable speaking in whatever language you prefer and is a great guide who is way above average. I would check him out if you want a good experience that isn't tourist trapped and want to learn while having fun with amazing views, Check Panos out!
Review provided by Tripadvisor
Jenniferwc5799ce
Jun 10, 2025
Private Boat Ride Adventure - The 3hr private boat tour through Alex Boat Rental was amazing!! Our captain was Panos and he was so respectful telling us everything we were doing and his knowledge of the island is incredible! We swam in the hot springs and then found a private cove to swim, snorkel and have a traditional Greek lunch. Delicious!! It’s just different to see the islands from inside the caldera!! Great day to end our Greek adventure!
Review provided by Tripadvisor
Tiffany_f
May 22, 2025
This was a wonderful... - This was a wonderful experience. Pannos was our captain and he was very knowledgeable and a wonderful host. The meze he served for lunch was wonderful. Highly recommend!
Review provided by Viator
Cktravelerbayarea
Sep 17, 2024
Private Boating Excursion - Highlight of our time in Greece! - Our private boat excursion around the Santorini caldera was an unforgettable experience. From start to finish Panos provided exceptional service with clear and prompt communication regarding details He is a delight and well informed about the area. He shared interesting stories and insights about the island's history and culture. We stopped for a swim in the sulfur springs. We arrived before other boats, so we had the peaceful tranquility of the area to ourselves. It was truly a unique and relaxing experience to swim in the mineral-rich waters. We also had the chance to snorkel in a beautiful spot, where we saw a variety of fish. Panos served a delicious traditional Greek lunch prepared by his neighbor. The food was fresh, flavorful, and a perfect way to refuel for the rest of our day. We highly recommend this experience to anyone visiting Santorini! This is truly a highlight! Note: there are about 600 steps down to the Old Port of Fira or take the Cable Car for 6 euros (expect a long line).
Review provided by Tripadvisor
L3367epsusanb
Sep 12, 2024
Lovely experience - This was such a lovely experience and Alex was a great host and captain, answering all our questions knowledgeably. The tour was actually 4 hours, starting with a visit to the hot springs where we could get much closer than the larger catamarans- in fact people swimming off these boats were nowhere near the warm water! Then across to Theria to the clear bay where we fed the fish bread and feta cheese - well as Alex said when I asked if they liked feta “they are Greek fish!” Alex Prepared us a lovely meal of mixed cold Greek dishes which were delicious and then he toook us over to the coast of Oia to watch the sunset. Again being a smaller vessel meant that he could manoeuvre us into a perfect position, better than the larger boats. A little on the expensive side for just to of us, but a once in a lifetime treat! I would recommend that before you book you check the cruise ship schedule, as we didn’t and 5 ships with 9000 passengers had docked that morning and so the queues for the cable car to get down to your meeting place in the old harbour were horrendous and we joined the queue at 2pm in very hot and sunny conditions, (for a 4pm start) but didn’t reach the bottom until 3:15pm. Two days later only one ship was expected in with less than 2000 passengers!
Review provided by Tripadvisor
104haleyb
Sep 10, 2024
Amazing private tour! - Alex was a great host! The snorkeling was fun, and the swimming was lovely. We were able to swim closer to the hot spring water which was very cool. The lunch was amazing, too!
Review provided by Tripadvisor
40_countries_2014
Aug 25, 2024
Lovely boat, delicious food and good captain - The boat was lovely, the food was delicious, and the captain was very kind. We would do it again, but there is one thing I would recommend - it was hard to find the pick up spot and the drop off was a bit treacherous because the port was full. Since it was a private tour, it would be nice to be able to choose a better pick up and drop off than the crazy crowded Old Port. Parking near the top of the funicular was nearly impossible.
Review provided by Tripadvisor
Nancianne_c
Aug 2, 2024
Fun way to cool off and see Santorini from the water! - Our captain Alex was great! Swam in the hot springs. Food was homemade and delicious. A great day on the water!
Review provided by Viator
From $585 (Per Boat)
up to 6 guests
1 - Traveler
Cancellation: Free cancellation up to 24 hours before the start of your experience (local time).