San Agustin Parish Church (Bay, Laguna) San Agustin Parish Church (Bay, Laguna) St. Augustine Parish Church (Filipino: "Simbahan at Parokya ni San Agustin") is the only Augustinian Roman Catholic church in Bay, Laguna, in the Philippines. The church was first administered by Augustinians friars and later transferred to the Franciscans. The current parish priest is Reverend Father John F. Tabot. It is historically considered as the oldest Roman Catholic church in the Province of Laguna upon the early conquest and establishment of La Laguna. The first church of Bay was constructed made of light material of bamboo and nipa by the first ever catholic missionaries in
San Cristóbal de La Laguna where the town was called "Aguere" by the aboriginal Guanches (the name is still used in the literature). Later he founded the city as "Villa de San Cristóbal de La Gran Laguna" (in memory of a pond or lake that was in place). Later he established the San Cristóbal de La Laguna, and today is known simply as "La Laguna" (the lake). The coat of arms was granted by Queen Joanna of Castile on 23 March 1510, as arms of the island of Tenerife. The town of La Laguna, being the capital of the island during the first times after