Medium size marina in the town of Gaios. Moor at the dock directly next to the shops and restaurants. Also a lot of activities during the evening and night with bars and a discotheque. Mooring lines available a shore, when coming late in the afternoon it's difficult to find a free spot. Most of the ferry boats will leave around 16:00 to the mainland. You can moor at these spots with a yellow sign till 11:00 the next day.