The Kadıköy Ferry Terminal, also known as the Kadıköy İDO Terminal, is a ferry terminal in Kadıköy, Istanbul, located near Damga Street on the Bosporus strait. It is one of four ferry landings within Kadıköy Harbor. İDO operates seabus ferries to Yenikapı, Bakırköy and Bostancı in Istanbul, as well as to destinations across the Marmara Sea.