Despotiko has no permanent residents, no ferry pier and no ticket booth — yet it holds one of the largest Archaic sanctuaries in the Cyclades. Excavations led by archaeologist Yannos Kourayos began at Mandra in 1997 and continue each summer, uncovering a temple complex dedicated to Apollo whose earliest phases reach back to the seventh century BC. Marble columns, re-erected from fallen drums, now stand again above a bay of pale sand. Entry to the island costs 0 EUR; the boats charge for the crossing, not the ruins. The strait itself is the reason the sanctuary sits here. Antiparos and Despotiko were joined by land in antiquity, and the shallow channel at Tsimintiri still runs barely two metres deep in places. Paros, visible across the water, supplied the translucent lychnites marble that made the Cyclades famous. Ancient mariners tracked this same sheltered line of water; today an antiparos & despotiko kaiki cruise follows it in reverse, threading between islets that once formed a single coastline. The vessel matters as much as the route. A kaiki — καΐκι — is a traditional wooden fishing boat, carvel-planked in pine over oak frames, built in Aegean yards at Perama and Syros for generations. Its broad beam and shallow draught let it anchor in coves no larger craft can reach, which is precisely why traditional antiparos & despotiko kaiki cruise tours still outnumber modern speedboats on this stretch. Many of the hulls now carrying visitors were laid down as sponge or fishing boats decades ago and converted rather than replaced. What the day covers has settled into a recognisable shape. A swimming cruise from Paros circles the two islands with anchorages for bathing. An island cruise with BBQ adds a meal cooked aboard. A full-day sailing adventure serves a Mediterranean lunch under canvas, while another itinerary pairs swimming with a Greek lunch, and a full-day Aegean route runs to Antiparos and the Blue Lagoon at Despotiko's northern shore, where a sandbar shelves the water into successive bands of turquoise. The island's protection is informal but real. There is no built infrastructure, no shade beyond the excavation shelters, and no shop. That absence is the appeal: a sanctuary approached the way it was approached three thousand years ago, from the sea. An Antiparos and Despotiko boat tour remains the only practical means of arrival, and the modest fleet of wooden boats has become, in effect, the site's front door.