It has a strategic location on the Strait of Malacca; during the Second World War, the Japanese built a defence on here.

Many places can be found there, such as Japanese Cave, Light House tower, Pulau Jemur has a natural golden sand beaches.

A post of Indonesian Navy (TNI-AL) was established in this island for the purposes of observation and navigation.

In August 2009, Malaysian claim of the Island as part of Selangor state sparked resentment and protest in the Indonesian community.

[1] However, the claim was based on a travel Website of unidentifiable origin that inaccurately listed Jemur Island as part of Malaysia.