Cies Island Tickets. Information Can only be accessed by boat to the islands liner or own ship. (Not accessible to vehicles). The regular service begins at Easter, weekends and continued daily throughout the summer, from early June to late September. There are several car parks in the boarding area. No entry is allowed pets. The boat departure takes place every hour from deVigo maritime stations, Bayonne and Cangas, contemplating the beautiful Ria de Vigo and fishing villages. We advise to learn a few days before: Naviera Mar de Ons, S. L. Telephone: 0034 986 22 52 72. www.mardeons.com (buy online) Rates and schedules: www.mardeons.com Naviera NABIA. Phone: 986 320 048 www.piratasdenabia.com (buy online) Rates and schedules: www.piratasdenabia.com .