A private 4‑hour boat cruise from Agios Sostis that visits Eros Cave, the Mizithres cliffs, Keri Caves and Marathonissi (Turtle Island). Swim and snorkel in clear water, search for Caretta caretta, and customize stops with your skipper.
A private 4‑hour boat cruise from Agios Sostis that visits Eros Cave, the Mizithres cliffs, Keri Caves and Marathonissi (Turtle Island). Swim and snorkel in clear water, search for Caretta caretta, and customize stops with your skipper.
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Operated by YOTOMU · Agios Sostis, Zakynthos
The boat slips away from Agios Sostis and the island opens like a map of limestone and blue: sheer white Mizithres cliffs rise, caves squat in shadow, and Marathonissi sits like a green jewel in Laganas Bay. Salt air cuts sharp; the skipper calls a stop and the water seems to reach up, daring you to dive.
easy.
4 hours.
Suitable for most fitness levels; requires basic swimming ability for snorkeling.
You may—Laganas Bay and Marathonissi are important habitats for loggerhead turtles, but sightings are never guaranteed; the skipper knows the best spots and seasons for sightings.
Yes; the cruise is family‑friendly and described as physically easy, but children should wear life jackets and non‑swimmers should remain in shallow stops or use provided flotation and guidance.
High‑quality snorkeling equipment is provided on board, though some guests prefer to bring their own mask for fit and comfort.
The operator cancels tours in unsafe conditions and offers a full refund if canceled at least 24 hours before departure or when the skipper deems conditions unsafe.
Zakynthos has a long maritime history shaped by Venetian rule and seafaring trade; many coastal formations were navigational landmarks for centuries.
Marathonissi and parts of Laganas Bay are protected to safeguard turtle nesting and seagrass beds—follow local rules and avoid disturbing wildlife.
YOTOMU operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




Book with YOTOMU
Book directly with YOTOMU for the best rates and real-time scheduling.
Reserve Now