Set off from Pera Gialos for a 6½-hour loop visiting Red Rock, Koutsomiti and the double beach of Kounoupa. Expect clear snorkeling, short swims, and a long beach stop with shade and a snack bar.
Set off from Pera Gialos for a 6½-hour loop visiting Red Rock, Koutsomiti and the double beach of Kounoupa. Expect clear snorkeling, short swims, and a long beach stop with shade and a snack bar.
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Operated by Thalassopouli Cruises · Pera Gialos, South Aegean
The boat slips away from Pera Gialos at 10:30, the marina’s low stone quay shrinking as the island’s white houses watch. Wind combs the surface into a silver path and, before long, the boat drops anchor at Red Rock — a sheer, weathered cliff with a small cave that dares swimmers to explore its shadowed lip.
easy.
6–7 hours.
Suitable for most fitness levels—requires short swims and boarding a small boat; basic mobility recommended.
Yes—masks, snorkels and fins are supplied for guests at no extra charge.
Boarding is at Pera Gialos marina, typically departing at 10:30 AM; check confirmation for exact times.
Yes, the vessel includes restrooms and a small onboard shower for rinsing off after swims.
Yes—infants must sit on an adult’s lap; the trip is rated easy for all fitness levels but supervise children during swim stops.
Astypalea sits on ancient maritime routes; its Chora and castle reflect Venetian and Byzantine influences from centuries of Aegean trade.
Avoid anchoring on seagrass (Posidonia) beds and use reef-safe sunscreen; local operators typically follow simple rules to protect the coastal ecosystem.
Thalassopouli Cruises operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




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