Ferries in Istanbul Ferries in Istanbul The city of Istanbul is at a geographic crossroads, straddling Europe and Asia Minor, and is divided by a sea lane called the Bosphorus Strait, which joins the Black Sea in the northeast and the Marmara Sea in the southwest. This strait has played a key role in the history of the city. Boats have traversed the waters of the Bosphorus for millennia and until the opening of the first Bosphorus bridge in 1973, were the only mode of transport between the European and Asian halves of Istanbul. They continue to serve as a key public transport
Korea Strait Korea Strait into the western channel and the Tsushima Strait. The western channel is deeper (up to 227 meters) and narrower than the Tsushima Strait. A branch of the Kuroshio Current passes through the strait. Its warm branch is sometimes called the Tsushima Current. Originating along the Japanese islands this current passes through the Sea of Japan then divides along either shore of Sakhalin Island, eventually flowing into the northern Pacific Ocean via the strait north of Hokkaidō and into the Sea of Okhotsk north of Sakhalin Island near Vladivostok. The water-mass characteristics vary widely because of the low-salinity waters