In the final Roadblock, one team member to swim out to a floating tiki head, dive beneath the underwater to retrieve a rock from ocean floor, carry it back to the beach and they have to smash it open for the clue inside.
In the final Roadblock, one team member had to swim out to a floating tiki head, then dive beneath the underwater to retrieve a particular rock from ocean floor. They then carried it back to the beach where they had to smash it open for the clue inside.