| Eastern Coast | Tamil Nadu | Chennai Port | Artificial port; 2nd busiest port of India |
| Western Coast | Kerala | Kochi Port | Located on Vembanad Lake; Exports spices & salt; Called “Queen of Arabian Sea”; 2nd largest natural port |
| Eastern Coast | Tamil Nadu | Kamarajar Port (Ennore) | India’s first corporatized port; Located on Coromandel Coast |
| Eastern Coast | West Bengal | Kolkata Port | India’s only major riverine port; Situated on Hooghly River; Also known as Diamond Harbour |
| Western Coast | Gujarat | Deendayal Port (Kandla) | Tidal port; Trade Free Zone; Largest by cargo volume; Protected natural harbour |
| Western Coast | Karnataka | New Mangalore Port | Major exporter of iron ore |
| Western Coast | Goa | Mormugao Port | Located at estuary of Zuari River |
| Western Coast | Maharashtra | Mumbai Port | Largest natural port & harbour in India; One of the busiest ports |
| Western Coast | Maharashtra | Jawaharlal Nehru Port (JNPT/Nhava Sheva) | Largest container port in India; Largest artificial port |
| Eastern Coast | Odisha | Paradip Port | Natural harbour; Exports iron ore & aluminium |
| Eastern Coast | Tamil Nadu | V.O. Chidambaranar Port (Tuticorin) | Major South Indian port; Handles fertilizers & petrochemicals |
| Eastern Coast | Andhra Pradesh | Visakhapatnam Port | Deepest major port of India; Exports iron ore to Japan; Shipbuilding & repair facilities |
| Bay of Bengal | Andaman & Nicobar Islands (UT) | Port Blair | Connects mainland via ship & flight; Located between major international shipping routes |