Badoc Island is a private island in Brgy. 5-A Pagsanahan Sur (formerly San Arisada-ad), Badoc, Ilocos Norte.
Located about 1 kilometre from the mainland, the island has a long stretch of beach with white sand, natural rock and cliff formations on the south, and a natural platform on the north. The whole island measures around 36.256 hectares.
The island was opened for investors by the provincial government of Ilocos Norte government in February 2021.