The Santa Clara Island Lighthouse is one of its famous landmarks. It is located on Santa Clara Island at the entrance to the port of San Sebastian in the Cantabrian Sea. It is not the main reason for the island to be filled with tourists at various times of the year. In summer, for example, the beaches are filled with visitors who want to swim and sunbathe, and there is also a cafe and bar. Small with beautiful views of white beaches and blue waters.