Mar de Ons sails 11 routes between 10 ports in Spain, mostly Vigo, Cangas and Cíes Islands. From Vigo: Cangas, Cíes Islands and Ons Island. From Cangas: Vigo and Cíes Islands. From Cíes Islands: Sanxenxo, Baiona and Portonovo. From Ons Island: Sanxenxo, Bueu, Baiona, Combarro, Pontevedra and Portonovo.