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Discover Santorini’s volcanic wonders on a boat tour including hot springs and Thirasia, with expert guides, stunning views, and authentic island experiences.
Taking a six-hour boat tour around Santorini’s caldera offers a fantastic way to see some of the island’s most iconic sights from the water. This particular cruise, operated by MTM TOURISM GREECE OE, combines a visit to the volcanic islands, relaxing dips in thermal springs, and a peek into traditional island life on Thirasia. While the tour has its pros and cons, it’s a well-rounded option for travelers eager to explore Santorini’s natural beauty without the hassle of planning every detail themselves.
One thing we really appreciate about this experience is the convenience of hotel pickup, which makes the day easier from start to finish—no need to worry about navigating crowded public transport or finding the departure point. The knowledgeable guides and friendly crew also stand out, adding educational and personal touches that many travelers value. On the flip side, some reviews mention crowds and inconsistent communication regarding pickups, which are worth keeping in mind if you’re seeking a more intimate experience or have specific logistical needs.
This tour is best suited for travelers who want good value for a comprehensive, guided day at sea—perfect if you’re interested in volcanic geology, thermal bathing, and island hopping, but don’t want to spend a fortune or dedicate an entire day to multiple excursions. It’s ideal for those who enjoy group tours, are okay with some busy spots, and appreciate having a guide to enhance their understanding of Santorini’s volcanic history and local culture.


If you’re considering this cruise, you should know what to expect and how to prepare. The tour kicks off at around 9:45 am with a pickup (though some reviews mention communication hiccups), after which you’ll hop aboard a comfortable, air-conditioned boat. The roughly six-hour journey is designed to be a highlight reel of Santorini’s volcanic and island scenery, with several compelling stops.
More ways to experience Santorini from the water include these boat tours
Stop 1: Santorini Volcano
The core of the tour is sailing through Santorini’s famous caldera, the flooded crater formed by a volcanic eruption eons ago. This is where the bulk of the attention lies. The boat approaches Palea Kameni and Thirasia, giving you a chance to see the volcanic islands from the water—spectacular views that really highlight the island’s geological drama. It’s a chance to appreciate the scale of volcanic activity that shaped this landscape.
Stop 2: Palea Kameni & Hot Springs
This is often the most talked-about part of the tour. For about 30 minutes, you’ll have the opportunity to swim in the thermal hot springs. Reviewers like Silvia_B described the experience as “asombrosa” (amazing), praising the steamy, therapeutic waters. The waters are greenish sulfur, which might seem quirky but are reputed to have health benefits. Some travelers mention that the hot springs are a relaxing highlight, especially after exploring the volcanic terrain.
Be aware that access to the springs involves swimming or using boat ladders, and some guests noted that it can be crowded, which might detract from the serenity. Also, a small volcano entrance fee of 5 euros per person applies, so bring some cash.
Stop 3: Thirasia
The second island stop is Thirasia, a calmer, less touristy sibling of Santorini. You’ll spend about an hour and a half here, giving you time to explore the village of Manolas, accessible by winding stairs or donkey ride—as one reviewer pointed out, the donkey ride is a fun, authentic experience. Thirasia offers a glimpse into traditional island life, away from the hustle of Santorini’s main town and cruise ports. It’s a perfect spot for a leisurely walk, some photos, or just soaking in the quiet vistas.
Most reviews praise the guides for their knowledge and friendliness. Gabriel, in particular, received compliments for sharing information in multiple languages, making the experience accessible for international guests. The crew, including the captain Vassili, earned applause for their professionalism and warmth. One guest mentioned that Vassili was extremely helpful with navigating the waters, adding peace of mind to the trip.
Pricing at around $57.82 per person, this tour offers a decent value considering the inclusions—guided boat trip, stop at hot springs, and free time on Thirasia. While not the cheapest option available, it combines multiple highlights into a single, organized outing, saving you the hassle of booking separate activities.
Some guests, like P8621DLmaryl, noted that it can get “too crowded”, especially during peak season, which can make the experience less tranquil. However, others appreciated the organized schedule and the ability to see a lot in one day, which is ideal if your time in Santorini is limited.


This Santorini volcano cruise with hot springs and Thirasia is a solid choice for travelers looking for a well-rounded, guided day at sea. It offers stunning views, an educational element, and a chance to relax in thermal waters—all at a reasonable price. The tour’s strength lies in its knowledgeable guides and the variety of experiences packed into six hours.
If you’re a traveler who values organized, value-driven excursions with plenty of opportunities to soak in the scenery, this tour will likely meet your expectations. Just be prepared for some crowds and ensure your pickup details are clear to avoid confusion. Overall, it’s a great way to see Santorini’s volcanic side while enjoying some well-deserved relaxation.

This tour suits those eager to see multiple highlights without planning each detail themselves, especially if you’re interested in volcanic geology, hot springs, and island culture. It’s perfect for travelers who appreciate guided experiences with educational insights and don’t mind sharing the boat with other visitors. If you’re on a tight schedule or want a more relaxed, less crowded experience, consider arriving early or asking about less busy times. For anyone seeking good value combined with authentic experiences, this excursion ticks many boxes.

Is hotel pickup included?
Yes, the tour offers hotel pickup from designated meeting points, though some guests have reported communication issues, so it’s wise to confirm your pickup location in advance.
How long does the tour last?
The entire experience is approximately six hours, starting around 9:45 am and including stops at the volcano, hot springs, and Thirasia.
What are the main highlights?
Highlights include sailing through Santorini’s caldera, bathing in thermal hot springs, exploring Thirasia’s traditional village, and enjoying scenic views along the way.
Are meals or drinks included?
No, food and drinks are not included in the tour price. You might want to bring water and snacks, especially if you plan to be on the boat for several hours.
How much does the volcano entrance fee cost?
The entrance fee to the volcano is 5 euros per person and is paid separately.
Is the tour suitable for children or those with mobility issues?
While most travelers can participate, visiting Thirasia involves walking up or down stairs, and swimming in hot springs can be challenging for some. Always check your personal mobility needs.
What is the group size?
The tour can accommodate up to 150 travelers, so expect a fairly lively group, especially during peak seasons.
How do I book and what is the cancellation policy?
You can book online in advance, with free cancellation possible up to 24 hours before the tour. If weather cancels the experience, a full refund or alternative date will be offered.
This detailed review aims to give you a full picture of what to expect from this Santorini volcano cruise. It’s a practical, value-packed way to explore the island’s volcanic origins, relax in warm springs, and enjoy authentic island scenery—all with a friendly guide to help bring it all to life.