Santorini Caldera Speed-Boat: Volcano Swim, Hot Springs & Open Bar
A brisk private speed-boat that threads Santorini’s caldera: swim at volcanic shores, snorkel clear water, and enjoy an open bar plus lunch on Thirassia. Four hours of geological drama and seaside tavern culture, ideal for travelers who want a compact, active day on the water.
The Experience
Before You Go
Bring reef‑safe sunscreen
Protection for your skin and the marine environment — apply before boarding and reapply after swims.
Use motion‑sickness prevention
Take pills or wear bands if you get queasy; the speed boat can be fast and choppy between stops.
Wear water shoes
Beaches and shore entries are often rocky; shoes make swimming exits and climbing easier.
Pack a light windbreaker
Sea spray and open-deck wind can be chilly even on warm days, especially returning to the marina.
Local Knowledge
Hidden Gems
- •Ammoudi Bay’s cliffside fish taverns — arrive hungry and time a short after-lunch stroll.
- •The lava fields and short walking track on Nea Kameni for close-up volcanic rock views (bring sturdy shoes).
Wildlife
- •Yelkouan shearwaters and gulls hunting over the caldera
- •Occasional sightings of small local fish and, rarely, Mediterranean monk seals near remote coves
Conservation Note
Use reef-safe sunscreen, do not touch or remove marine life, and follow crew instructions to minimize anchor damage to seabeds and reefs.
The caldera was formed by a massive volcanic eruption in the second millennium BCE; later eruptions built Nea and Palea Kameni inside the flooded crater.
What to Bring
Reef‑safe sunscreenEssential
Protects skin and the caldera’s marine life during repeated swims.
Water shoesEssential
Makes rocky shore entries and boat ladders safer and more comfortable.
Light windbreaker
Shields against spray and cool winds on open-water stretches.
Swimwear & quick‑dry towelEssential
You'll be swimming at multiple stops and the operator supplies towels for the return.
Common Questions
Is snorkeling equipment provided?
Yes — basic snorkel masks and fins are included; bring your own if you prefer a custom fit.
Are hot springs swimmable?
Yes, you can swim near the hot springs but water can be warm and sulfurous; avoid prolonged immersion if you have sensitive skin.
Is lunch included?
A one-and-a-half-hour meal on Thirassia is included with an open choice of fish, meat or vegetarian options and local white wine.
Can children join the cruise?
Yes — the trip notes stroller access and infant seats, but parents should supervise children during swim stops and boardings.
Book This Experience
Check AvailabilityDuration
4 hours
Location
Vlychada, Santorini
Difficulty
easy
Fitness Level
Able to climb aboard a speed boat, swim short distances and stand for brief periods; suitable for most fitness levels.
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