Passenger Ship - Boat Destinations 2016
The island has three major ferry ports: Pithagorion, Karlosvassi and Vathi.
Samos is easily reached by ferry from Pireaus. The trip is about 9 hours (depending boat) and ferries usually stop at both Karlovassi and Vathi.
There are connections to Mykonos, Syros trip is about 4-5 hours (depending boat)
To and from Chios, Lesvos trip is about 4-7 hours (depending boat)
Islands of the Dodecanese (Kalymnos, Kos, Lipsi, Patmos Rodos Symi) trip is about 2-9 hours (depending boat)
And Island of the prefecture of Samos - Agathonisi Arkyi Fourni, Ikaria trip is about 2 hours (depending boat).
Book your tickets online VIVA.gr Boat Tickets website but I would suggest book them on a last minute basis. Do not plan ahead - 2 weeks before travel is OK.
Remember most schedules change monthly and high-speed boats operate only in the summer months.
There are daily boats to Kusadasi, Turkey where you can visit the ancient Greek city of Ephesus, one of the world's most incredible archaeological sites.
In summer, two daily ferries are linking the island of Samos with Kusadasi (Ephesus) in Turkey. Tickets can be bought from various travel agencies. A passport is obligatory. trip is about 2 hours.