Basilica de immaculada concepcion is considered to be one of the oldest catholic churches in the province. Situated at the end of the main road of the city where most schoools, offices and businesses are located, this church serves as a place for reflection for most, after a hard and busy day of school and work. The first church on the present site was built in 1581 by father diego mojica, augustinian pastor of calapan, mindoro. In 1601, the stone foundation was placed for the second church on which the priest built from 1682-1721. The convent with artillery placements was built years later as a defense against sea pirates. After 179 years, the church was demolished on the same year, the church was rebuilt through fr. Pedro cuesta's endeavor. The church was then granted a basilica status by pope pius XII "given in rome, at St.Peters, with the seal of the fisherman on the 13th day of february in the year 1948, in the tenth of our pontificate-1948."since the church construction was offered to the immaculate.