Sifnos is connected to Piraeus port by speedboats (Highspeed) and conventional car-ferries.
The duration of travel varies from 3 to 5 hours depending on the means and the approaches.
The connection of Sifnos to Piraeus, Kythnos, Serifos and Milos is daily. Especially during the months June, July, August and September exists morning and afternoon itineraries.
For more information on the precise itineraries of speedboats and conventional car-ferries, please click the following links: