Banton, officially the Municipality of Banton, is a municipality in the province of Romblon, Philippines. According to the 2020 census, it h…Banton, officially the Municipality of Banton, is a municipality in the province of Romblon, Philippines. According to the 2020 census, it has a population of 5,737 people. Its territory encompasses the entire Banton Island and a few uninhabited smaller islands. The island is located in the northern portion of the province and lies in the northern portion of the Sibuyan Sea near the southern tip of Marinduque. It is a town of about 5,000 people majority of which speak the Bantoanon language, one of the five primary branches of the Bisayan languages.