Start a new game and go to the beach. Shoot the gate with the canon and get the necklace. Go back to the beach and you will see monkeys. Shoot the monkeys with the canon until all of them disappear. Then, go to the save point. You need $9 to save. After saving, go to the beach again. The monkeys will be there again. Repeat this as many times as desired.
Pirates: Legend Of The Black Buccaneer