To 23 ports; the busiest crossings are to Üsküdar (20 minutes, 95 times a day), Kadıköy (20 minutes, 42 times a day in season), Heybeliada (an hour, about 17 times a day in season), Büyükada (1 hour 15 minutes, about 17 times a day in season), Kınalıada (an hour, 13 times a day), Burgazada (1 hour 15 minutes, 13 times a day), Çengelköy (25 minutes, 12 times a day) and Bostancı (1 hour 15 minutes, 12 times a day).