Your tickets may be purchased:
     
a) Via the Internet on Ferry companies official web sites and after book and before enter the ferry you will have to go to any of the partner agencies of the shipping company or the company’s office at the port of departure to get the printed ticket Boarding Pass (for free). Most of the ferry companies have and electronic boarding pass and check in procedure .
     
b) to buy directly from the partner agencies of the liner
     
c) from other websites providing tickets.

In winter there is the possibility that the ship’s will depart only from Volos.
     
In Volos you can go by bus KTEL Magnesia Volos or by train via Athens (4 hours) Larissa (1 hour), Volos.
     
From Thessaloniki (Bus 2.30 minutes) in the winter (and summer) you can also go by train to suburban Thessaloniki, Larissa and Volos with synchronised response bus or train or by bus from the station KTEL MAGNESIAS on Macedonia Bus Terminal of Thessaloniki.

For Ferryboat unfortunately sometimes the routes disclosed for each season and usually finalised:

Shortly before Easter on routes from Easter to the Holy Spirit, just after Easter and later this month on routes through the summer and July for service from 09 September onwards.