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 up the towns proper. Formerly a part of Brgy. San Antonio but when it became independent, it became a separated barangay. Both Tagumpay and San Antonio share the same Patron saint, Saint Anthony. This also applies for the feast days for both barangays share the same patron saint. This is the northernmost barangay of Bay and is one of the barangays in Bay which does not have a high school. Tricycles and jeepneys are popular modes of transportation in Bay. Buses are available to Sta. Cruz, Calamba, and Metro Manila. Bay, Laguna ', (pronounced as "Ba-eh"), officially the ', (),