The best way is to contact the Central Port Authority of Kavala. The link is posted down below. Just click on the link and you will see the information such as phone numbers and email address.
You can also try calling the Ferry Companies by clicking the link below: Scroll al the way to the bottom and you will find the name of the Companies and the phone number.
Answers
The best way is to contact the Central Port Authority of Kavala. The link is posted down below. Just click on the link and you will see the information such as phone numbers and email address.
https://www.gtp.gr/TDirectoryDetails.asp?ID=2174
You can also try calling the Ferry Companies by clicking the link below:
Scroll al the way to the bottom and you will find the name of the Companies and the phone number.
https://www.go-thassos.gr/thassos-ferry-schedules-prices
Hope this is helpful, have a great day!