Recently (2018) it was rumored that the island holds large deposits of gold.

The island is located around 1 km offshore from Johor mainland.

The island consists of various wildlife animals, such as monkeys, wild boars, mudskippers etc.

[2][3] Kukup Island status as a remote hinterland changed in the 1990s when scientists began focusing on the island's biodiversity a unique ecological characteristics.

In the interest of preserving this unique habitat, Kukup Island was gazetted a national park on 27 March 1997 under the Johor State Park Corporation Enactment 1989.