
Bunaken National Marine Park was established in 1991 and is one of the first marine parks in Indonesia. The total area of the park is 89 065 ha and includes the five islands of Bunaken, Siladen, Manado Tua, Montehage and Nain, as well as parts of the coastal area of North Sulawesi mainland.
The total area of coral reef is over 8 000 ha.
The marine park's extremely deep seabed, steep coral walls and large seagrass beds are home to an astonishingly rich variety of corals, fish, echinoderms and sponges. In fact the area supports some of the world's highest levels of bio-diversity. Seven species of giant clams, and many rare or endangered marine animals, e.g. coelacanths, nautilus, dugongs, whales, dolphins and turtles, are found within the park's area.