Saengildo
![Location of Saengildo in the Jeju Strait (slightly left from map centre)](/Images/godic/202502/08/PortHamiltonLocMap2743.png")
Saengildo (literally translates to “birthday island”) is a South Korean island of 15 km² in the East China Sea on which the island's economy is based. The highest point is Baegunsan (Korean:백운산; 483 m above sea level).
Saengildo, measures 4.6 kilometres (2.9 mi) long and 5.7 kilometres (3.5 mi) wide.