Santorini – Volcano and Hot springs

Santorini’s famous cliffs are the remains of a volcanic event on a grand scale. This three-hour boat trip takes you close to that story, with a walk up to the active craters and a swim in the warm, sulfur-scented waters off Palaia Kameni.

I like two things about this trip: it fits the volcano and hot springs into one short outing, and swimming noodles give less confident swimmers a little extra help. The main consideration is that neither stop is effortless: the volcano path climbs over rough ground, and you must swim about 30 meters to reach the warmer part of the bay.

What to know before you book

• The volcano stop lasts 1 hour and 15 minutes. That is time to walk toward the craters, take in the views, and hear the guide’s explanation, but the uphill route can be tiring.
• The hot springs are warm, not reliably hot. Water in the bay is listed at 30 to 35°C, but it mixes with cooler seawater.
• You enter the water from the boat. There is no beach, and reaching the warmer water means swimming about 30 meters.
• The volcano entrance costs an extra €5 per person. It is not included in the $36.01 tour price.
• The boat has a restroom and swimming noodles. Lunch, snacks, and transfers are not included.
• Meet at Fira Old Port for the 11 a.m. departure. The tour returns to the same port at about 2 p.m.

A short boat ride to Santorini’s volcanic heart

The boat leaves Fira Old Port at 11 a.m. and reaches Erinia, the small bay beside the active volcano, after about 10 minutes. The trip is deliberately compact: there are two main stops, not a long circuit around the islands. If you have limited time in Santorini, that makes the outing easier to fit into a day.

The boat itself is part of the appeal. It is described as a comfortable, old-fashioned style vessel, with a crew that helps manage boarding and water access. A restroom on board is a practical bonus on a three-hour trip, especially if you are traveling with children or simply prefer not to count on facilities ashore.

A local guide accompanies the excursion and explains the volcanic setting. One crew member, Demetris, has been singled out for keeping a relaxed, reassuring tone when a passenger worried about returning to the boat on time. You cannot count on a particular crew member being aboard, of course, but an attentive crew matters when the day includes a rocky walk and a swim from the vessel.

The group can include up to 75 people, so this is not a private boat outing. The short travel time and two-stop plan keep things simple, but expect to share the boat, the path, and the swimming area with other participants.

Walking uphill to the craters at Erinia

At Erinia, you have 1 hour and 15 minutes on the volcano. A path leads uphill toward the craters, where you can see dark volcanic rock, take photographs, and, depending on conditions, notice smoke and the sharp smell of sulfur. It is a rare chance to stand on an active volcanic island rather than only admire Santorini’s caldera from a distance.

The walk is the most demanding part of the tour. The route is uphill over uneven, sometimes slippery rock. Allow roughly 25 minutes for the climb to the top, though your pace and how far you go will make a difference. Some visitors may find it strenuous, particularly if they do not exercise regularly or are wearing unsuitable shoes.

Choose sturdy walking shoes or hiking shoes. Flip-flops are a poor match for the rough path, and the same advice applies to the boat’s wet steps. Take care on loose or slippery ground, and do not feel obliged to reach the highest point if the climb is not comfortable for you. There are a few places to pause along the way, including spots with seats and shade umbrellas, but the walk is still exposed and uphill.

The time allowance is useful, but it is not a leisurely stroll for everyone. You will want to keep an eye on the return time and follow the guide’s instructions. The guide explains what you are seeing, which helps make the walk more than a scramble for a view. Still, the terrain is the main event: if you have limited mobility or dislike steep, rocky paths, you may prefer to stay near the landing area rather than push for the summit.

The €5 entrance fee is extra. Include it in your budget before booking, since the advertised $36.01 price does not cover admission to the volcano. Bring sun protection, too. The path is exposed, and the review advice to use sunscreen is sound.

Swimming at the Palaia Kameni hot springs

After the volcano stop, the boat heads to the small bay of St. Nicholas on Palaia Kameni. The warm springs formed in the volcanic area, but the water is mixed with ordinary seawater. Its stated temperature is 30 to 35°C, which can feel pleasantly warm compared with the surrounding water, but it is not the same as stepping into a hot bath.

There is no beach stop. You get into the water from the boat, using the ladder or, if you are comfortable, jumping in. Then you swim about 30 meters toward the interior of the small bay to reach the warmer water. Swimming noodles are provided, but they do not remove the need to be comfortable in open water. The crew may advise anyone who is not a strong swimmer to stay aboard.

Plan on about 30 minutes at the springs. That is enough for a quick swim, but not a long session. Some people may find the water only mildly warm, especially where it mixes with cooler sea water. If your main reason for booking is a long soak in hot water, this is probably not the right outing.

There are also no easy shore facilities at the stop. You are in the water or on the boat, and the rocks near the spring can be slippery. Take care getting in and out, and do not try to scramble over algae-covered rock. The boat’s restroom and noodles add comfort, but this remains a boat-based swim, not a resort-style thermal bath.

What the $36.01 price gets you

At $36.01 per person, this is a relatively low-cost way to visit both the volcanic island and the warm-water bay in one outing. The fare includes the local guide, boat ride, restroom on board, and swimming noodles. The volcano ticket adds €5 per person, bringing the known cost to $36.01 plus that entrance fee.

Lunch and snacks are not included, and there is no transfer to the meeting point. Bring what you need for the three hours, especially water and sun protection. Do not assume there will be food at either stop.

The value depends on what you want from the day. You are paying for boat access, a guided look at the volcano, and a chance to swim in the springs. You are not paying for a long cruise, a beach day, or a full guided hike with extensive time at each stop. The itinerary is efficient by design, which saves time and keeps the price down, but it also means the swim is brief and the volcano walk has a firm time limit.

For a cruise-ship schedule or a short Santorini stay, the three-hour format can make sense. The tour departs at 11 a.m. and returns to Fira Old Port at about 2 p.m. If you have a full day and want a slower outing, you may prefer to spend longer on the islands or look for an excursion with more swimming time.

Meeting at Fira Old Port and preparing for the day

The meeting point is Dakoutros Bros J.V. at Fira Old Port, also called Ormos Firon. The ticket booth is labeled Dakoutros Bros J.V. and is in front of the boat, near white cube benches. If you are staying above the port in Fira, plan the trip down before departure rather than treating the port as a street-level meeting point.

If you are arriving by cruise tender, allow time to get from the tender landing to the ticket booth and boat. One practical point: the voucher is not necessarily the same as the boat ticket, so go to the designated booth to check in and collect what you need before boarding. The meeting point is also where the tour ends.

Wear walking shoes, bring a swimsuit and towel, and use sunscreen. A change of clothes may be handy after swimming, but no changing facilities are specified, so keep expectations simple. Pack water and any snacks you want; both lunch and snacks are excluded. The boat restroom is there if needed.

The tour operates in English and is capped at 75 participants. Most people can take part, but the physical demands are worth considering honestly: the volcano path is steep and uneven, while the hot springs require a swim away from the boat. Service animals are allowed.

Who will enjoy this Santorini boat trip

This outing suits you if you want to see the volcanic side of Santorini without giving up most of your day. It offers a close look at the craters, a guide to explain the setting, and a quick swim in a distinctive bay. The price is appealing if you value a focused excursion over a longer cruise.

It is a particularly good fit for people who are comfortable walking uphill and swimming in open water. Families and mixed-ability groups should discuss both activities beforehand. Swimming noodles help, but the boat crew may caution weaker swimmers against entering the water, and no beach access is available.

You may be disappointed if you expect the springs to feel like a hot tub, want a long swim, or prefer an easy walk on paved paths. The tour is best understood as a compact introduction to Santorini’s volcanic islands, with a short swim as a bonus rather than a full day at the water.

Should you book it?

Book this trip if you want a straightforward, budget-conscious way to visit Santorini’s active volcano and try the warm springs in one morning-to-afternoon outing. The short boat ride, guided volcano stop, onboard restroom, and noodles make the plan practical, while the extra €5 volcano fee is easy to factor in.

Skip it if steep, rocky walking or swimming away from shore is a poor fit for you, or if a genuinely hot soak is the main attraction. For the best chance of getting your money’s worth, wear proper shoes, bring water and sun protection, and arrive ready for both an uphill walk and a short open-water swim.

FAQ

How long is the Santorini Volcano and Hot Springs tour?

The tour lasts about three hours. It departs Fira Old Port at 11 a.m. and returns to the same port at about 2 p.m.

Where does the tour depart from?

It departs from the Dakoutros Bros J.V. meeting point at Fira Old Port, also known as Ormos Firon.

How much does the tour cost?

The listed price is $36.01 per person. The volcano entrance ticket costs an additional €5 per person.

Is the volcano entrance fee included?

No. The €5 entrance ticket to the volcano is not included in the tour price.

How much time do you get at the volcano?

The boat stays at the volcano for 1 hour and 15 minutes. The uphill path to the craters is rocky and can be difficult.

Do you have to swim to reach the hot springs?

Yes. There is no beach at the stop, and you need to swim about 30 meters from the boat to reach the warmer part of the bay.

Are the hot springs very hot?

The water temperature is listed as 30 to 35°C, but it mixes with regular seawater. It may feel warm rather than hot.

What is included in the tour?

The tour includes a local guide, a restroom on board, and swimming noodles. Lunch, snacks, transfers, and the volcano entrance fee are not included.