Gorgeous sea caves, about 2 miles of fairly strenuous hiking from the parking lot. If you can get on the lake, the view is much better(read«unbelievably beautiful, breathtaking, awesome in every sense of this much overused word»). If you do go by water(kayak), I strongly recommend you do it with a guide, since the water here can become very dangerous very quickly. For pictures of what to expect, check out
For safety, check out the«sea caves watch» website