Romblon Island is one of the three major islands of the Romblon Province in the Philippines; the other two are Sibuyan Island and Tablas Island. Romblon Island is is bounded on the north by Tablas Strait and Tablas Island, on the south by Sibuyan Sea, and on the west by Sibuyan Island. The island is part of the seat of government for the Romblon Province, also named Romblon municipality.Romblon has a well protected harbor, which is considered to be the best landlocked harbor in the country. A few kilometers away from the town proper are the beaches of Bonbon and Tiamban. Off the coast are Logbon, Alad and Cobrador, three islets with white sand beaches.