Satonda is an island in West Nusa Tenggara province of Indonesia. It is off the north coast of Sumbawa island. The Island is located in Dompu Regency, 3 km from Sanggar Strait in the Flores Sea and is administratively part of the Nangamiro Village area of Pekat sub-district. Satonda island was formed from the eruption of Mount Satonda thousands of years ago. Satonda volcano is said to be older than Mount Tambora, which is about 30 kilometers from the island. Satonda island has a vast natural coral reefs in the surrounding waters and was designated a Marine Nature Park (TWAL) in 1999 by the Ministry of Forestry of Indonesia. The island is proposed to be part of Moyo Satonda National Park along with neighbouring Moyo Island.