- Mauyu has two islets, Damauyu and Siaomauyu. They look like cats on the sea. There are many sea caves and sea erosion platforms on the two islets. Damauyu has an altitude of 70 meters, making it the highest place of the Pescadores. Mauyu is designated as a conservation area for sea birds, thus people are not allowed on the islets. However, visitors may tour the surroundings of Mauyu and observe all kinds of sea birds.