Santorini Volcano & Oia Sunset: Swim Hot Springs & Thirassia

★★★★★★★★★★ 3.89 (147 reviews) 46% rated it 5 stars

Free cancellation

1/19

Duration11h

GroupUp to 100

LanguagesEN · DE +3

PickupAt your hotel

Climb an Active Crater, Then Swim in Sulfur Waters Off Santorini

You climb an active volcanic crater on Nea Kameni, swim in naturally heated sulfur springs, explore the quiet island of Thirassia with free time for lunch, and watch the famous Oia sunset from the village itself. The boat, guide, foam noodles, and return transfer are all included, so you're not arranging transport or worrying about timing — the schedule handles it for you.

11h

Step-by-step itinerary

Santorini volcano, swim, and sunset

Sail to Nea Kameni volcano
Climb to active volcano crater
Swim in thermal sulfur waters
Free time in Thirassia village
Travel to Oia village
Admire panoramic views and sunset
Return to meeting point by bus

The Experience

The boat was running about ten minutes late when we showed up at the dock, and honestly that's when I realized how real this was going to be — not a polished tour bus experience, but an actual caique, the kind of wooden fishing boat locals still use. Once everyone was aboard, the guide started pointing out the volcanic rock formations as we headed toward Nea Kameni, the lava islet where the Santorini volcano sits. The climb to the crater rim isn't steep, but it's uneven underfoot, and the sulfur smell hits you before you're halfway up. You can see the active crater from the top, and the guide explained which vents were still releasing gas — it's the kind of detail that makes you realize you're standing on something that's actually alive.

After the crater walk, we headed down to the thermal springs, and this is where the tour gets a little chaotic in the best way. The water is genuinely hot and cloudy with minerals, and people were jumping in from the boat with the foam noodles they hand out. The guide said the temperature changes depending on where you swim, so some spots are almost too warm. We spent maybe thirty minutes in there, and then the boat took us to Thirassia, the quieter island across from Santorini. There's free time to walk around the village of Manolas — you can either climb the winding stairs or ride a donkey if you want — and grab lunch at one of the tavernas. It's not fancy, but it's where locals actually eat, which changes how it tastes.

The bus picked us up in the late afternoon and drove us to Oia for the sunset. This part is timed pretty carefully: you get free time to walk around the village and find a spot, and then the guide tells you to head back to the meeting point exactly fifteen minutes after the sun goes down. It sounds rigid, but it works — you're not stuck waiting for stragglers, and you're not rushed off the cliff edge either. The sunset itself is what everyone says it is, and the drive back gives you time to actually sit with it instead of immediately jumping on a bus.

What’s included

Traditional caique boat tour.
guided climb to the active Santorini volcano crater on Nea Kameni.
swim in thermal sulfur springs with foam noodles.
free time on Thirassia island to visit the village of Manolas and have lunch.
bus transfer to Oia village for sunset viewing.
multilingual guide commentary.
return bus transfer to your hotel pickup point (if transfer option selected).

Good to know

Moderate physical levelPublic transport nearby

Operated by NST Santorini Tours

Is this one for you?Book this if you want the main volcanic and sunset highlights of Santorini in one day without arranging your own boat, timing the springs visit, or figuring out how to get to Oia — the fixed schedule and included transport handle all three, leaving you free to focus on the experience itself.