Went to Queen's Bath, a lava pool by the ocean that, during low tide, is a hoot to swim in. As the tide comes in the waves crash over the wall and you feel like you are in a can of bubbling soda as the effervescence waves spill over you. The pool is quite deep. That is about a 12' jump.

Also, the picture is a clear example why teenage male mortality is higher than female mortality. Unknown boy showing off to his peers.