Hello! Thank you for your question and please accept my apology for the late response!

The 6-day GREEK ISLANDS Pass includes :

• Ferry trips within 1 month:
- 2 out of the six travel days can be used on international routes between Italy and Greece
- 4 out of the six travel days can be used on domestic routes within Greece
• TRAINOSE rail/bus transfer from the international port of Patras to the domestic port of Piraeus (and vice versa)
• Fuel surcharge and port fees
• Accommodation in either 1st or 2nd class
• 30% discount on all additional trips (valid on Economy Class only)
• 30% reduction on all upgrades in accommodation (except Lux cabins). Valid for International and Domestic routes

Please also check:

Trains in Greece | Interrail.eu

Pass Benefits Portal (eurail.com)

For trains in Greece, you can check the timetables here: https://www.trainose.gr/en/

I hope this helps! 

Kind regards,

Annie