Buried Treasure No. 16
Map Location: During Sequence 8, Memory 3, you’ll end up at Isla Providencia. The treasure map icon will appear during a chase sequence, around the northern half of the map.
Treasure Location: At the northeast beach of Long Bay. You'll have to wait until Sequence 10, Memory 3 to access it. Look for the lookout tower. From the tower's point of view, the dig spot will be to its left, near a bush.
Reward: 4000 reales