Ferries from Milos to Kea (Tzia) can peak at up to undefined daily sailings, Sailing frequency typically peaks in the summer months, with approximately undefined departures offered each week. While schedules may be reduced from Milos to Kea (Tzia) in other seasons, ferry services are often still available.

Ferry travel from Milos to Kea (Tzia) on average typically takes -. The earliest ferry usually leaves from Milos at -, arriving to Kea (Tzia) at - The latest ferry departs at - and arrives at -.