Ikion Diving (Alonissos, Sporades Diving)

PADI 5 Star centre at Steni Vala, Alonissos, part of Sporades Diving, about one nautical mile from the Peristera shipwreck and listed among the licensed centres taking divers there. It lists 15 Alonissos sites including the Blue Cave, Two Brothers' Wall and reefs in the marine park.