The caldera is best understood from the water. Here's how to choose the right boat tour — and skip the ones that aren't worth it.
The catamaran cruises worth booking, in order — prices and live availability open on GetYourGuide. Free cancellation on most tours up to 24 hours before.
The caldera magic timed to finish with the famous sunset from the water — swimming and snorkelling stops, dinner and drinks on board, and that last golden hour drifting off Oia.
Check availability →A relaxed day on the water — Red & White Beach, the hot springs, and a BBQ meal with drinks on board.
Check availability →Sail the caldera with swimming and snorkelling stops, a BBQ meal and drinks — the classic Santorini day on the water.
Check availability →Your own boat, your own pace — ideal for honeymoons, families or a group of friends. Food and drinks included.
Check availability →A sightseeing boat out to the volcano and hot springs — the budget option, larger boat rather than a relaxed catamaran.
Check availability →From the water the whole caldera opens up, and it's what most people remember most from their trip. Every tour runs a similar loop — what matters is the boat and the group size, so pick a smaller, well-run catamaran over the cheapest big boat.
Most tours stop at Red Beach and White Beach — the latter only reachable by boat — sail past the Faros lighthouse, and anchor at the volcano hot springs for a swim.
Want to swim at Red Beach? Here's the better way →
See exactly what to expect on a catamaran tour →
Morning or sunset departure? Read the full comparison →
The €25 volcano & hot springs tour — what it's really like →
Book a tour that includes the sunset but board in the afternoon. You get the swimming and hot springs in daylight, then the famous sunset from the water — far calmer than fighting for a spot in Oia.
September is the best month — warm sea, fewer crowds, lower prices. June and early July are also excellent. Avoid peak August if possible.
Shared group catamaran tours start from around €70 including lunch and drinks. Private charters start from around €400 for the whole boat.
Rent an ATV — €30-40 per day, parks anywhere, gets you across the island in 20 minutes. Avoid renting a car in peak season as parking is nearly impossible.
Yes — September is arguably the best month. Sea temperature peaks, crowds drop by half, prices fall 20-30% and restaurants are actually bookable without weeks of advance planning.
A small group catamaran tour is the best option. 8-20 people, includes lunch, drinks, hot springs stop and caldera views. Book the morning departure for the best light.