Far out in Mirs Bay, crooked-shaped Kat O rewards the long kaito ride with sleepy Hakka village lanes, a tiny story room of island relics and hilltop lookouts over the UNESCO Global Geopark.

The weekend ferry leaves Ma Liu Shui at 9am and starts back around 3:30pm, usually paired with neighbouring Ap Chau — Hong Kong day-tripping at its most remote.