Known as the most ancient Roman Catholic Church in Romblon, holds the distinction of being one of the 26 colonial churches proclaimed as National Cultural Treasures in 2001. Constructed by recollect fathers during the 15th century, this cathedral stands as a testament to an array of skillful and refined craftsmanship. The presence of stained glass windows, a Byzantine-style altar, religious paintings, and antique icons captivates and enchants all who visit.