Ferries from Naxos to Sifnos can peak at up to 2 daily sailings, Sailing frequency typically peaks in the summer months, with approximately 9 departures offered each week. While schedules may be reduced from Naxos to Sifnos in other seasons, ferry services are often still available.

Ferry travel from Naxos to Sifnos on average typically takes 3h 20m. The earliest ferry usually leaves from Naxos at 09:00, arriving to Sifnos at 15:55 The latest ferry departs at 18:15 and arrives at 19:55.