To make it easier for those who do Treasure Quests & don't know just where they are I'll post SS's of each one here. Cayman Kai Go ashore at Cayman Kai & follow the track off the beach Then you go left Enter the cave Fight the bandits & collect the Treasure. Cuba Go ashore at the Shore, it's the 1st beach on the " Sail To " option after the ports. When you land head to your left Head towards the big rock The hidden chest is marked Treasure !!!!!!!