Istanbul's Kabatas ferry docks, on the European shore of the Bosphorus north of Karaköy and south of Dolmabahçe Palace (map) serve several different ferryboat lines.
You can get to the docks easily via the T1 Bagcilar-Kabatas Tram, or the Kabatas-Taksim Füniküler (Funicular).
IDO SeaBus Catamarans
Fast IDO catamaran passenger ferries running on these routes:
— Kabatas-Karaköy-Eminönü-Bostanci
— Bostanci-Kabatas-Karaköy-Eminönü
— Pendik-Kartal-Bostanci-Kabatas-Karaköy-Eminönü-Bakirköy-Avcilar
— Kabatas-Eminönü- Kinaliada- Burgazada- Heybeliada- Büyükada- Bostanci
Source and more info: (
visit link)