The national Museum Pass gives access to 65+ archaeological sites and museums across Greece, including the Archaeological Museum of Thassos and the Philippi site on the nearby mainland. The 7-day pass costs €30, a good value if combining Thassos with mainland Macedonia sightseeing.
www.museumpassgreece.grSeveral ferry operators offer combined return tickets covering both the Kavala-Limenas and Keramoti-Skala Prinou routes at a discount versus buying single crossings separately — useful for travelers planning a mainland day trip partway through their island stay.