The island draws the attention of scientists and researchers from both within and outside the country, as the island is related to the phenomenal eruRtion of Mount Tambora, which shook the world on 15 April 1815.

A saltwater lake crowns the middle of the island and has an area of 77 hectares, occupying two nested craters 39 and 69 meters deep where divers and researchers can experience unique and diverse marine

and vegetation life.