It is bounded by the Western Water Catchment to its north, Pioneer to its east and the Straits of Johor to its west.

Tuas also shares a maritime boundary with the Western Islands planning area to its east.

A world-scale renewable diesel plant, using palm oil as feedstock, which was completed in 2010, is also located in the area.

Further reclamation as part of the Tuas South extension is being done to house the world's largest storage of oil.

Tuas Mega Port began operations in 2021, and will be completed by 2040 to house all of PSA International current assets and operations, PSA will give up its city terminals by 2027 and Pasir Panjang Terminal by 2040.

[8][9] Tuas has a number of residential buildings provided at low cost for the people who work there.

They are built to meet basic residential requirements; they provide shelter with an electricity and water supply.