The Mangsee Islands are a group of two small islands in the far south west portion of the Philippines. The group comprises North Mangsee Island and South Mangsee Island. Together they form a barangay within the Balabac, a municipality of the province of Palawan. Based on the 2010 Census, the population of the Mangsee Islands was 8,433. By the time of the 2015 Census, the population has grown into 9,016.