Santorini Caldera Cruise Tour (Volcano, Hot Springs, Thirassia)
Overview
Available languages
6 hours
Mobile ticket
Your journey begins based on your selection: with pickup from Athinios Port, or without pickup from the Old Port of Fira.
The first stop is the volcano, where you’ll have 1.5 hours to hike its rugged trails and explore its unique landscape. A 5€ entrance fee is required to access the volcano. Your tour escort will guide you along the paths, sharing fascinating stories about its history and eruptions. Wear sturdy shoes and bring water for this moderate hike, which rewards you with stunning panoramic views at the summit.
Next, sail to the hot springs at Palea Kameni. The boat will anchor 30-50 meters from the springs, requiring a swim to reach the warm, sulfur-rich waters. This activity is recommended only for strong swimmers due to the distance.
The final stop is Thirassia, where you can explore its charming villages, take in breathtaking views, or savor a delicious meal at a traditional taverna before returning to your starting port.
Additional Info
Travelers should have at least a moderate level of physical fitness
For the volcano tour, wear comfortable shoes, a sun hat, and bring water.
Dark swimsuits are recommended to avoid sulfur stains.
A minibar is available on board for water and snacks.
Bring sunscreen for sunny days or a light jacket if it’s windy.
Swimming in the hot springs is not recommended for pregnant individuals or those with heart issues or serious medical conditions.
Cancellation Policy
For a full refund, cancel at least 24 hours before the scheduled departure time.
What‘s Included
Guided volcano hiking tour (with expert insights into its history and geology.)
Foam pool noodles for added support while swimming at the hot springs.
Pick up and Drop off included (if the "with pickup" option is selected)
Visit to the hot springs (for a unique swimming experience in sulfur-rich, warm waters.)
Tour escort (to guide and assist throughout the trip.)
Food and beverages (available for purchase or bring your own)
Towels and swimwear (guests must bring their own)
Pick up and Drop off excluded (if the "without pickup" option is selected)
Volcano
Cable car ticket - per way, Santorini Volcano
What To Expect
Santorini Volcano
As your boat nears the volcanic island, its rugged cliffs and stark beauty set the stage for your adventure. Step ashore and begin a guided hike along volcanic trails as your tour escort shares the island’s fascinating geological history and stories of its eruptions. A 5€ entrance fee is required to access the volcano. Wear comfortable shoes, bring a sun hat, and carry water to stay hydrated during the hike. At the summit, enjoy sweeping views of the caldera and the Aegean Sea, surrounded by the raw power of nature. Steam vents and volcanic rock formations create a truly mesmerizing, otherworldly landscape. After taking in the views and captivating stories, return to the boat with unforgettable memories. Always follow your tour escort’s guidance for a safe and enjoyable experience.
Palea Kameni
The next stop is the island of Palea Kameni, home to the renowned hot springs nestled on its west side. Here, you’ll have 30 minutes to experience the rejuvenating thermal waters, celebrated for their rich volcanic minerals and therapeutic properties. The boat will anchor approximately 30-40 meters from the springs, and you’ll need to swim this distance to reach the warm, orange-hued waters. Surrounded by stunning volcanic landscapes, this is a rare opportunity to immerse yourself in nature’s healing embrace. Please note, this activity is best suited for comfortable swimmers, as the swim requires confidence and stamina. For those who venture into the waters, it’s a moment of pure relaxation and connection with Santorini’s unique volcanic energy. Afterward, return to the boat, refreshed and recharged, to continue your unforgettable journey.
Options
Without pick up / drop off
Pick up excluded: With this option, the tour begins at the Old Port of Fira, accessible by cable car (10€ per way) or a walk down the steps.
With pick up / drop off
Pick up included: With this option, the tour begins at Athinios Port. Pickup is available from designated locations near your hotel.
Pickup included
Reviews
1,256 reviews
Total reviews and rating from Viator & Tripadvisor
Well organized - you get what you pay for.
Parris L,
Sep 7, 2025
- Viator
4.00operators know what they’re doing with a well-run itinerary. Boat wasn’t the most comfortable, and could not hear the guide, especially on the volcano. But we got there, got back, had a good time. No surprises. Nothing more nothing less.
Relaxing Beautiful tour
Amanda E,
Sep 5, 2025
- Viator
5.00Beautiful scenery Relaxing Restrooms on boat which is a great perk Just enough time at each stop so you can see it and move to next stop
You can't leave Santorini if you see this
Estefania P,
Sep 4, 2025
- Viator
5.00An essential experience if you visit the island. We were very comfortable, very well adapted tempos and good coordination.
Passeio Maravilhoso
Claudia R,
Sep 3, 2025
- Viator
5.00Spectacular experience, we liked the whole route. From that beautiful sea with crystal clear waters , climbing the volcano was worth the beautiful view . Finally, it is a program that cannot be missed for those in Santorini.
Beautiful, useful to understand...
marco n,
Sep 3, 2025
- Viator
4.00Beautiful, useful to understand well the history of santorini and balanced. Swimming not difficult, volcano slightly tiring but not very long, beautiful the final part on the islet.
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