Tseung Kwan O Industrial Estate has an area of 75 ha (other sources mention 86 ha and 95 ha). It is located 3 km south east of Tseung Kwan O New Town. The Estate has a marine frontage and was partly built on reclaimed land. Reclamation and servicing work were completed in 1997.
The former island of Fat Tong Chau is located at the southwest of the Estate. The South East New Territories Landfill (SENT) is located at the south of the Estate and Fat Tong Chau.