Calatagan is a 3rd class municipality in the province of Batangas, Philippines. The town comprises the Calatagan Peninsula between the South China Sea and Balayan Bay. According to the 2000 census, it has a population of 45,068 people in 9,201 households. The peninsula's white sand beaches are popular vacation and leisure sites for Manila's rich and famous. Several beach resorts including the Ronco Beach Resort in Brgy. Bagong Silang, Playa Calatagan in Brgy. Sta. Ana, and the Golden Sunset Resort in Brgy. Uno, are also well-known places for relaxation and respite from all the week's work. "One of the things that I like here most is the talipapa on the corner of national highway and Lucsuhin crossing at Brgy. Gulod where you can just buy fresh seafoods from the local fishermen every early morning around 4:00." -Dante Perinal
An extremely rare example of pre-Spanish Philippine script was found in Calatagan. The script is called Baybayin in Tagalog, and was derived from Javanese writing, which in turn is derived from Brahmi. This writing survives on an earthenware burial jar dated 1200s or 1300s.