The ferry operator Hellenic Seaways, has published HighSpeed 5 schedules for the route connecting Piraeus to Syros, Tinos and Mykonos for the Greek Easter Period.
PIRAEUS-SYROS-TINOS-MYKONOS (HIGHSPEED 5)
(27/04/13 – 07/05/13)
Monday, Tuesday, Thursday, Friday, Saturday: Piraeus (07:25) – Syros – Tinos – Mykonos
Monday, Tuesday, Thursday, Friday, Sunday: Mykonos (17:00) – Tinos – Syros –Piraeus
All above schedules can be booked online via danae.travel