Istanbul's main port is the Port of Haydarpasa , a seaport handling general and roll-on/roll-off cargo and containers. Located at the southern entrance to the Bosphorus, the Turkish State Railways operates the Port of Istanbul. The port is protected by two breakwaters.
The Port of Istanbul is the region's largest container port, with annual cargo over six million metric tons. Containing two large piers with 21 berths, its berths specialize handling dry bulk and general cargo, general cargo, roll-on/roll-of cargo, and containerized cargo and servicing motor boats. Water depth at the quays ranges from 5 to 10 meters.
The Port of Istanbul's container terminals can handle 1200 vessels a year and 144 thousand TEUs of containerized cargo. The terminal offers storage space of 10 hectares or 6 thousand TEUs of containerized cargo. In addition to open storage of 31 hectares of open storage and 2 hectares of covered storage, additional area outside the Port of Istanbul covers 5.5 hectares with stacking capacity for 52.8 thousand TEUs.
The new roll-on/roll-off terminal at the Port of Istanbul can handle 360 vessels a year and 410 thousand tons of cargo. Daily services link the facility to Trieste, Italy, and Constanta, Romania. The Port of Istanbul can service 1134 general cargo vessels a year, and dry bulk berths can accommodate 79 vessels a year. The Port of Istanbul also contains a grain silo with capacity for 34 thousand tons. The rail ferry terminal operates between Sirkeci and Haydarpasa and can move 480 tons or 14 rail carriages between the two sides of the Bosphorus.