Coast Guard Station Mandapam is situated at South - South East of Tamil Nadu in the close proximity lies the island nation Sri Lanka. The area is highly sensitive and strategically important from the Defence point of view. The Unit was commissioned on 13 Jan 1986 by late Dr. VR Neduncheziyan, Hon'ble Minister of Tamil Nadu.

Coast Guard Station Mandapam though a remote based establishment, endeavours to cater all requirements of visiting ships ex-Chennai and Interceptor Boats based at Mandapam.

The Station is commanded by the Station Commander under the operational and administrative control of the Commander, Coast Guard Region (East), Chennai. The following units are based at Mandapam :-

C- 137

C - 138

Interceptor Boats - 05