When you arrive at the airport Eleftherios Venizelos you have the possibility to get to the port of Pireus by the bus X96 at any time.
Moreover the Metro towards downtown Athens is running between 5am and 11 pm, where you need to change once at Monastiraki station and then take the train towards Pireus port.
You can conveniently and daily get to Serifosisland and Apartments-Studios Amalia by taking the ferry boat from the port of Pireus, a journey of 4.5 hrs, or by speedboat which takes 2.5 hrs.
There is the possibility to purchase the boat tickets directly at one of the numerous ticket offices at the port or a ‘ticket-kiosk’ just on front of the respective boat you choose to take.
However, during the high-season, i.e. July and August it is recommended to reserve tickets.
Schedule info: via www.openseas.gr.
Travel agencies in Serifos:
www.serifostours.gr, Tel. +30 22810 51463
Kondilis Travel, Tel. +30 22810 52135
Furthermore, Serifos can also be reached directly from the surrounding islands such as Kithnos, Sifnos, Milos, Folegandros, Paros, Santorin/Thira, Ios und Mykonos.