Diliskelesi port (port code: TRDIL) a large port in Turkey. It lies on the north coast of the Gulf of Izmit, and on the east side of the Sea of Marmara.
It is a port complex consisting of six terminals: Poliport, Colakoglu, Yilport (formerly known as Sedef and Alemdar), Altintel, Solventas and Kizilkaya. Poliport can handle 1,189,000t dry bulk, 503,000t bulk liquid, 56,000t general cargo and 470 vessels annually. Yilport can process 68,700TEU of containers, 2,500,000t of general cargo and 519,000t of bulk liquid cargo each year. Altintel can handle 656,385t of dry bulk and liquid cargo as well as approximately 250 vessels per year. Solventas is able to handle bulk liquid cargo 515,000t and approximately 230 vessels yearly. Kizilkaya has a capacity to handle 827,325t of dry bulk, 530,692t of general cargo and approximately 310 vessels every year.
In total, the port can handle approximately 3,200 vessels and 10,336,000t of cargo annually. The types of vessels regularly calling at the port are general cargo (41%), oil/chemical tanker (18%), container ship (13%), bulk carrier (9%), and oil products tanker (8%).
For this port, the maximum draught is 14.1 meters and the maximum deadweight is 117064t.The maximum length of the vessels recorded to having entered this port is 366 meters.