The cache is hidden at a memorial to the soldiers of this island.
Small note on cache maintenance: I have vacationed here in Vietnam for past few years on Phu Couc island at home of Mark, a friend, on the islands coast. He can be easily contacted by me to go to and maintain the cache...
Haqre cvyr bs ebpxf ng gur abegu raq ba guveq przrag greenpr sebz gur ebnq.