Ferries to Kea There is a regular ferry connection between Kea and Athens. Ferries depart only from Lavrion port and the trip lasts about 1 hour. Kea is also connected with some other islands of the Cyclades, like Kythnos and Syros. However, these routes are carried out mainly in summer. > View ferry connections to Kea or Book online your ferry tickets to Kea!