Located within Singapore waters , it has an area of 1.4 hectare .
Pulau Sarimbun ( previously also spelled Pulau Serimbun or Pulau Srimbun ) is a small island situated in the Straits of Johor , off the north - western coast of Singapore .
Located within Singapore waters , Pulau Sarimbun has an area of 1.4 hectare .
Pulau Sarimbun ( previously also spelled Pulau Serimbun or Pulau Srimbun ) is a small island situated in the Straits of Johor , off the north - western coast of Singapore .