Boats &Ferries: Boat and ferry travel is an often overlooked benefit of rail passes. Traveling by ship is a pleasant and scenic enhancement to rail travel. Travel on ferries and shipping lines is either free or at a reduced fare with many passes. Ferry lines make countries that are not physically contiguous count as being adjacent for the Eurail Selectpass. See specific passes for more details.

Here are some of the shipping lines that can help you travel through Europe:

DFDS: Denmark – Great Britain
Color Line A/S: Denmark – Norway
Silja Line: Finland – Sweden
Irish Ferries: France – Ireland
Stena Line: Great Britain – The Netherlands
Blue Star Ferries: Greece – Italy
Hellenic Mediterranean Lines: Greece – Italy
Superfast Ferries: Greece – Italy
Transmeditteranea: Spain, Spain – Morocco
TT Line: Sweden - Germany.