Eurail Pass Benefits in Greece

/www.eurail.com/
をご覧あれ。
でも、、、、今更手遅れですが、買う前に最低このくらいは調べるのが常道でしょう。
パスを使えば自由度が上がるという側面はないわけではないので、それは認めますが、逆に首を縛り、自由を束縛し、経費が掛かる可能性もあるのです。多分、はじめの計画がまさにそうなのでしょう。

Travel between Greece and Italy with Superfast Ferries International

With a Eurail Pass valid in Greece and Italy, you can travel on the routes:
Patras – Ancona (Italy)
Patras - Bari (Italy)
Patras – Venice (Italy)
Igoumenitsa – Ancona (Italy)
Igoumenitsa – Venice (Italy)
Igoumenitsa - Bari (Italy)
Corfu - Ancona/Bari (During summer only)

Free and discounted ferry travel on international routes with Minoan Lines
Discounted travel on the domestic routes of Blue Star Ferries
Special fares on the domestic ferry routes of Minoan Lines
Set sail for Italy with Grimaldi Line ferries