Santorini Sunset Catamaran: Thirassia, Volcano Hot Springs & Red Beach Cruise
Sail from Ammoudi Bay to Thirassia, swim in volcanic hot springs, and watch Santorini’s famed sunset from a comfortable catamaran. This five-hour cruise combines geology, swimming stops, a Mediterranean lunch and onboard narration—ideal for easy-going adventurers.
The Experience
Before You Go
Bring reef-safe sunscreen
The caldera’s water and marine life are sensitive—use reef-safe sunscreen to reduce chemical impact.
Wear water shoes
Rocky shores and boat ladders are easier and safer with grippy water shoes.
Protect your camera
Salt spray and sulfur can damage gear—use waterproof cases or quick-dry cloths to wipe lenses.
Time your pickup
Confirm hotel pickup time in advance; group transfers run on tight schedules for this shared cruise.
Local Knowledge
Hidden Gems
- •Walk Thirassia’s ridge path above the harbor for unobstructed caldera views and quieter tavernas.
- •Explore the lunar-like Vlychada cliffs and small harbors near the disembarkation point for dramatic rock formations and local bakeries.
Wildlife
- •Common dolphins (occasionally seen near the caldera)
- •Yelkouan shearwaters and other seabirds around cliffs
Conservation Note
Operators advise no anchoring on fragile seabeds and recommend reef-safe products; stick to marked swim zones to limit impact on marine habitats.
Santorini’s caldera formed during a massive Bronze Age volcanic eruption that reshaped local settlements—nearby Akrotiri preserves a prehistoric town buried by that event.
What to Bring
SwimwearEssential
You’ll stop for swims at Thirassia and the hot springs—bring a swimsuit.
Reef-safe sunscreenEssential
Protect your skin and the marine environment with mineral-based sunscreen.
Water shoes
Protects feet on rocky landings and offers traction on wet boat decks.
Light windproof jacket
Evenings on the caldera get breezy—carry a light jacket for comfort.
Common Questions
How long is the cruise and what times does it run?
The shared catamaran lasts about five hours, typically departing late afternoon to arrive back after sunset—confirm exact times when booking.
Are swimming stops suitable for beginners?
Yes; crew provide snorkeling equipment and swimming aids, but basic swimming ability is required and shallow, calm stops are used for less confident swimmers.
Is pickup from Santorini hotels included?
Complimentary pickup and drop-off by A/C minibus/van are usually included—confirm your pickup point and time with the operator before the tour.
Can I visit the hot springs and volcano safely?
Yes; boats anchor near the volcanic hot springs for brief swims; the sulfurous water is warm and buoyant but avoid prolonged exposure if you have skin sensitivities.
Book This Experience
Check AvailabilityDuration
5 hours
Location
Oia, South Aegean
Difficulty
easy
Fitness Level
Suitable for people in average physical condition; requires basic mobility for boarding and short swims.
Ready to Explore Oia?
Book your guided walking tour and discover the hidden stories of this historic mountain city.
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