Ubay Island is an island situated in Cebu Strait, a narrow strait between the islands of Bohol and Cebu, Philippines. The island is around 7 km (4.3 mi) northwest from Bohol and is one of the islands located in the Danajon Bank, the only double barrier reef in the country. Ubay Island is under the jurisdiction of the municipality of Tubigon, Bohol. The total population of Ubay Island is 172.