THE ADVENTURE COLLECTIVE® · Independent discovery and booking for outdoor travel
Take a three-hour speedboat trip from Skiathos to the iconic Agios Ioannis chapel on Kastri rock, climb 110 carved steps to the viewpoint, and swim at secluded coves like St Ioannis and Spilia. Ideal for travelers who want a brisk, scenic half-day on the Aegean.
Take a three-hour speedboat trip from Skiathos to the iconic Agios Ioannis chapel on Kastri rock, climb 110 carved steps to the viewpoint, and swim at secluded coves like St Ioannis and Spilia. Ideal for travelers who want a brisk, scenic half-day on the Aegean.
Book with Privé Boat Rentals, Cruises & Sea Transfers
Book directly with Privé Boat Rentals, Cruises & Sea Transfers for the best rates and real-time scheduling.
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Operated by Privé Boat Rentals, Cruises & Sea Transfers · Skiathos, Thessaly
The engine cuts through Aegean blue and the island cliffs rise like a challenge — by the time the speedboat threads a narrow channel, Kastri rock and the little white chapel used in Mamma Mia appear, perched on a stone plinth above the sea.
easy.
3 hours.
Light fitness required—comfortable walking and the ability to climb 110 uneven steps.
Most bookings depart from Skiathos harbor or designated piers in Skiathos Town; check your confirmation for the exact meeting point.
Yes—infants must sit on an adult’s lap; the tour is described as suitable for all fitness levels, but consider the steps when bringing small children.
Yes—itineraries include stops at small beaches like Spilia and Mavraki where you can swim directly from the boat; bring swimwear and a towel.
Boat types vary by group size and weather; operators assign vessels based on safety and passenger count, so the craft may differ from promotional images.
The little white chapel (Agios Ioannis Kastri) is a modest local church that gained global recognition after it was used as a filming location in Mamma Mia; the wider islands have long histories of fishing, olive cultivation and modest maritime trade.
These islands have fragile coastal vegetation and important marine habitats; stick to trails, avoid anchoring on seagrass meadows when possible and take all rubbish with you to minimize impact.
Privé Boat Rentals, Cruises & Sea Transfers operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.
Book with Privé Boat Rentals, Cruises & Sea Transfers
Book directly with Privé Boat Rentals, Cruises & Sea Transfers for the best rates and real-time scheduling.
Reserve Now