To 9 ports; the busiest crossings are to Hong Kong Airport (SkyPier) (40 minutes, 14 times a day), Macau (Taipa) (an hour, 13 times a day), Zhuhai (an hour, nine times a day), Sheung Wan (an hour, five times a day), Dong'ao Island (1 hour 10 minutes, about three times a day), Hengqin (1 hour 15 minutes, about three times a day), Macau (Outer Harbour) (an hour, twice a day) and Wailingding Island (1 hour 10 minutes, twice a day).