Currently, this route is only operated by Blue Star Ferries.
The distance from Piraeus to Donoussa ports by ferry is 220 kilometres, that's about 137 miles or 119 nautical miles. However, the exact distance may depend on the route you take.
You can travel as a foot passenger or with your vehicle on this route.
The cheapest price for a one way crossing by foot in the summer is about 39.50 euros, and for a car with one person about 129 eurosClick Book Now and use the booking form to get the latest prices and see the real sailing dates for all ferries on the Piraeus - Donoussa route.
I am a disabled person and last year I traveled with the company of Blue Star Ferries from Piraeus to Donousa the port police and the staff of the ferry were very helpful to board on the ferry and taking me to my cabin for disabled people.