Ferries to Lemnos In order to reach Lemnos from Athens, you should better take the ferry from Lavrion port, which is located on the southern part of Attica. Ferries depart from Lavrion port all year round, 3 times per week and the trip lasts 9 hours. There are ferries to Lemnos from Piraeus port, too. However, the trip lasts 24 hours. During summer, Lemnos is also connected by ferry with the port of Kavala. > View ferry connections to Lemnos or Book online your ferry tickets to Lemnos!