You can get in Andros island by boat. You can reach Gavrio, the main port of the island, by boat from Rafina. The trip takes 2 hours (1 hour by a fast ship).
The service is frequent and intensifies during the summer season. Rafina is easily reachable by KTEL bus service from Pedio Areos, Athens.
Andros is also connected directly with Tinos and Mykonos (daily), with Syros (twice a week) and with the rest of the Cycladic Islands. Transport within the island is carried out by KTEL bus service with frequent service between the villages