South Pagai is one of the islands in the Mentawai Islands archipelago, located off the western coast of Sumatra, Indonesia. It is known for its lush tropical forests, beautiful beaches, and rich biodiversity. The island is part of a larger group of islands that are popular for surfing, attracting enthusiasts from around the world. The local population primarily consists of the Mentawai people, who have a unique culture and traditional way of life. The island's economy is mainly based on fishing, agriculture, and eco-tourism, which helps preserve its natural environment while providing income for the residents.