You can try Kayak at the beach of Vasilias in Skiathos. To find yourself at Vasilias take the bus and stop at stop no.8 . It is close to Skiathos town
Sights in Skiathos: Sights in Skiathos Town, Alexandros Papadiamantis Museum, Churches and Monasteries in Skiathos,
Activities in Skiathos: Cruising and Marinas in Skiathos, Scuba Diving in Skiathos