Santorini Sunset Cruise

The caldera was made to be seen from below. From the villages on the rim you look down at the water; from a boat you look up at 300 metres of red, black and grey rock with Fira, Imerovigli and Oia strung along the top like a line of salt. A sunset catamaran cruise gives you that view, a few swims, a meal and the sunset on open water without the crowd in Oia. For many visitors it ends up as the best evening of the trip.

The usual route

Most sunset cruises follow the same loop, with small variations depending on the wind.

• Red Beach and White Beach. From the south coast, boats run along the Akrotiri peninsula and anchor offshore below the rust-red cliffs of Red Beach and the pale cove of White Beach. You swim from the boat's ladder. Land access to Red Beach is closed because of rockfalls, so this is the realistic way to see it. Our beaches guide has the background.
• The hot springs. In the bay off Palea Kameni, the smaller volcanic island, iron-rich water rises from the seabed and warms a patch of sea to bath temperature, stained orange-brown. The boat stops nearby and you swim across. Expect a few degrees of warmth, not a hot tub.
• The volcano. Nea Kameni, the black island in the middle of the caldera, is where the most recent eruptions happened. Most catamaran cruises circle it or pass close by rather than landing. The walk up to the crater is part of the separate volcano tours on traditional wooden boats, usually in the morning. If climbing the crater matters to you, book that instead or as well.
• Sunset. The boat positions itself on the west side of the caldera, often off Oia or between Oia and Thirassia, as the sun drops into the open sea. Dinner, usually grilled meat or fish with salads and Santorini wine, is served on deck around this time.

Is it overrated?

Not really, as long as you know what it is. It's a social, relaxed trip, not an adventure, and in high summer several dozen boats follow the same route, so the swimming spots can feel busy. The sunset is still better from the water than from the Kastro in Oia, and you don't have to fight for a bus home afterwards. For the land-based alternatives, see our Oia sunset guide.

The 2026 safety measures

Since April 2026, civil protection rules in force until 31 March 2027 restrict access to parts of Fira's Old Port and ban most traffic on the road down to Ammoudi. The caldera boat trips themselves continue, but they affect where you board. Rules can change at short notice, and caldera access can be adjusted if scientists flag unusual activity, so check local news before your day out.

Shared or private? A shared cruise puts you on a catamaran with typically a few dozen others. It's lively, sociable and far cheaper. A private charter gives you the whole boat and crew, a quieter atmosphere and a say in the route and timing. For couples on a special trip or a family group, private can make sense. For most people, a shared boat with a capped number of guests is the right call. Look for the maximum passenger number on the listing and prefer smaller groups.

What is usually included: hotel pickup and drop-off, snorkelling gear, towels, the meal and drinks (often local wine and soft drinks). Check which of these is extra.

Departure port. Most catamarans leave from Vlychada marina on the south coast. A few leave from Ammoudi below Oia. With the road to Ammoudi closed to most vehicles under the 2026 rules, ask the operator how they get passengers down, since it may mean walking the steps. Operators confirm pickup times the day before.

Book a few days ahead in summer. Choose a licensed operator with clear cancellation terms: trips are cancelled when the meltemi is too strong, and reputable operators refund or rebook.

• Seasickness: catamarans are steadier than monohulls, but the caldera gets choppy when the wind rises, and the ride back after sunset can be rougher. If you're prone to it, take tablets an hour before departure and sit near the middle of the boat.
• Swimwear: the hot springs can stain pale fabric orange. Wear something dark and old.
• Bring a warm layer. Once the sun is down and the boat is moving, it gets cold on deck, even in August.
• Sun protection: a hat with a strap and high-factor sunscreen, since there's little shade on deck. Our what to wear guide has a full list.
• Soft-soled shoes or bare feet on board, and a waterproof pouch for your phone.
• Cash for a tip for the crew, if the service was good.