High Quality Content by WIKIPEDIA articles! Sentosa Development Corporation is a statutory board in Singapore, under the purview of the Ministry of Trade and Industry. Formed in 1 September 1972, its main task is to oversee the development, management and promotion of the island resort, Sentosa. It also oversees the maintenance of nine other offshore islands south of Singapore, namely Saint John's Island, Sisters' Islands, Pulau Hantu, Pulau Biola, Pulau Jong, Lazarus Island, Kusu Island, Pulau Seringat, and Pulau Tekukor. SDC owns several subsidiaries. The Sentosa Leisure Management oversees the operations of Sentosa, while the Sentosa Cove oversees the development and management of Sentosa Cove, a marina resort and residential project.