Set off from Ammoudi below Oia on a private Lagoon 400 catamaran for a five-hour morning sail around Santorini’s caldera. Swim by the Hot Springs, savor a BBQ of Greek mezedes, and customize your route with an English-speaking captain and crew.
More ways to explore the area's outdoor wonders
The catamaran slips away from Ammoudi beneath Oia as morning light sharpens the caldera rim. White houses cling to the cliff above and the Aegean opens, cool and wide; the Lagoon 400 hums forward and the crew invites you to move with the water.
Difficulty
easy
Duration
5 hours
Fitness Level
Suitable for most fitness levels; participants should be able to board a ladder and swim short distances from the boat.
Wildlife
History
The Santorini caldera formed in a massive Late Bronze Age eruption; Nea and Palea Kameni are relatively young volcanic islets created by successive eruptions.
Conservation
Boats stay off beaches by Greek law; use reef-safe products, avoid littering, and follow crew guidance to minimize impact on delicate volcanic seabeds.
Reserve your spot on the Private Morning Tour Lagoon 400-380 Sailing in Santorini ,lunch, drink, transfer today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring reef-safe sunscreen
Choose reef-friendly sunscreen to protect local marine life and reduce skin irritation on a long sunny cruise.
Pack swim shoes and a dry change of clothes
Volcanic rock and wet decks are slippery—swim shoes help for shore entries, and dry clothes make the return ride comfortable.
Arrive ready for pickup
Confirm hotel pickup time the day before and be ready 30–60 minutes earlier; operator will advise final pickup slot.
Practice basic snorkeling skills
Snorkeling spots are shallow but rocky—comfortable swimmers will get more out of stops at the Hot Springs and anchored coves.
Swimwear and quick-dry towel
Essential for swims from the catamaran and drying off between stops.
summer
Reef-safe sunscreen
Protects skin and the caldera’s marine environment when swimming and snorkeling.
summer
Light windbreaker or cover-up
Useful against the Aegean breeze, especially on the open deck in the morning.
spring
Waterproof dry bag
Keeps phone, documents and a spare layer dry while you move between boat and sea.