It lies at the southern end of the archipelago 18 km (11 mi) to the NNE of Ko Surin Nuea, and the Thai-Burmese oceanic border is located between these two islands.
Christie Island is 4.6 km (2.9 mi) long and has several peaks it covered with thick forest.
It features a clearing at the top with a helicopter pad and small dusty military base.
[2][3] A few days later, Burmese troops from the same base captured a Thai fishing boat that had strayed close to Christie Island.
The 22 Burmese and Thai fishermen on board were shot and buried on the island.