Tamil Nadu hosts Chennai Port — India's second largest container port — along with Kamarajar (Ennore), Katupalli and V.O. Chidambaranar (Thoothukudi) on the east coast.
Chennai Port, formerly known as Madras Port, is the second largest container port of India behind Mumbai's Nhava Sheva, and the largest on the east coast.
Kamarajar Port is located on the Coromandel Coast about 24 km north of Chennai Port. It is the 12th major port of India and the first port in India which is a public company.
Katupalli is a modern multi-cargo port located north of Chennai. Situated outside city limits, it offers 24×7 congestion-free approach roads for seamless cargo movement.
V.O. Chidambaranar Port Authority is a port in Thoothukudi, Tamil Nadu, and is one of the 13 major ports in India, declared a major port on 11 July 1974.