Tinjil is a small island located in the

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by ...

. Administratively, this island is included in the area of

Pandeglang Regency Pandeglang Regency ( Sundanese: ) is a regency of Banten province, Indonesia. It is mainly located on the west and south coasts of the island of Java, and is the most westerly regency on Java Island, but it also includes a number of offshore island ...

Banten Banten ( id, Banten; Sundanese: , romanized ''Banten'') is the westernmost province on the island of Java, Indonesia. Its capital city is Serang. The province borders West Java and the Special Capital Region of Jakarta on the east, the Java ...

. Since 1988, Tinjil Island has been used as a natural breeding ground for long-tailed monkey species (Macaca fascicularis). The existence of captive breeding of monkeys on this island causes people who come to visit must undergo a health check so as not to transmit the disease to the monkey population free of several types of pathogens or viruses, such as tuberculosis (TB) and simian retrovirus (SRV). Prospective visitors must undergo a health check in Muara Village, Cikerit Weta Village, Binuangen District before crossing to Tinjil Island.

References

{{reflist Pandeglang Regency Islands of Indonesia Maritime Southeast Asia