HomeBlogs Siberut Island Siberut Island (4.030 km sq) is the largest island of four islands in
the Mentawaian archipelago. It is located about 155 kilometers of West
Sumatra coast, across the Mentawaian strait. The Mentawaian islands
belong administratively to Padang Pariaman Regency in West Sumatra
Province. Siberut is divided into two districts: North and South Siberut
with administrative centers at Muara Sikabaluan and Muara Siberut which
also service as respectively market centers of Siberut.