★★★★★
Relaxing vibe with Ioneon travel, beautiful coast, splendid beaches - must do activity during Zakynthos vacation!
Three hours through the heart of South Zakynthos. Two swimming stops, a glass bottom section for underwater viewing, Marathia thermal springs, sea caves, and some of the best turtle sightings on the island.
Common but not guaranteed — wild animals in their natural habitat. The 09:00 departure gives the highest likelihood of sightings.
Natural sulphurous springs rising through the seabed. The water is warmer than the surrounding sea and rich in minerals with therapeutic properties.
Yes. Calm, sheltered waters. The glass bottom section is particularly popular with children. No minimum age.
Departures from Agios Sostis harbour, South Zakynthos.
From Kalamaki / Airport: ~5 min by car · From Laganas: ~10 min
From Zakynthos Town: ~15 min · From Tsilivi: ~20 min
Contact us when booking and we will arrange it. Transfer charged separately.
You can also visit us at our office opposite Zakynthos Airport in Kalamaki and book in person any time. We're open daily during the tourist season and happy to help you plan your trip face to face.
Tell us your preferred date and number of guests. We confirm availability and respond directly.
Secure your booking today. Pay the balance on arrival.
What guests say
Relaxing vibe with Ioneon travel, beautiful coast, splendid beaches - must do activity during Zakynthos vacation!
Such an amazing experience and breathtaking views, The captain was so nice and helpful. This is specific agency has made it much easier for us to book the trip quickly and Answered our questions quickly and provided us with all the information needed! Strongly recommended
Perfect experience - for our car and our boat and everything else, Pasquale made sure our vacation was perfect. Highly recommend.
Had a very good experience with Ross&Sara booking 2 boat trips which they recommended. It was amazing and very beautiful, a great experience overall.
Quick, informative and personal. Good service and a will to meet our expectations. 👌👌
Super helpful and the owner is from Kalamaki so knows everyone so also sorted taxis, restaurant recommendations and even the captain of our boat trip. Sunset cruise was the best!
Very nice organized trips. Lampro is very dedicated and he kmows where he is talking about. We had a great time! Thanks Lampro 😃
Wonderful experience! Definitely recommend to book your excursion with em🥰
Explore responsibly
Read the Zakynthos sea turtle and Marine Park guide →