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
Bay, Laguna Bay, Laguna ', (pronounced as "Ba-eh"), officially the ', (), is a in the province of , . According to the , it has a population of people. It is located at the east of Los Baños, west of Calauan, northeast of Santo Tomas and northwest of Alaminos. The Patron of Bay is Saint Augustine of Hippo celebrating his Feast Day during August 28. Laguna de Bay, the country's largest freshwater lake, is named after the town. Just like the rest of the archipelago, the town of Bay has no record before the coming of Spaniards in the 18th century.