Alimos Marina is 30 to 40 minutes from Athens Airport by taxi, about €35 to €50. We recommend pre-booking your taxi at least 24 hours ahead for a flat rate and to avoid the queue.
Bus: the X96 express runs from the airport to Alimos Marina every 20 to 30 minutes, 24 hours a day. About 60 to 70 minutes, €6.
Metro and tram: Metro Line 3 to Syntagma, then tram T3 or T4 to Loutra Alimou. About 60 minutes, around €10.