Ferries between the small Greek islands usually stop running in the winter. However, except for the seasonal routes, ferries in Greece connecting popular islands such as Syros, Mykonos and Santorini run all year round.
Is Greece worth it in January?
If you are looking for a cultural getaway, January is a fantastic time for visiting Athens. The cooler weather is ideal for exploring the city's renowned museums, restaurants, galleries, and historic sites.