A unique landmark on this island is a defunct nuclear power plant in Rincon. It was built as a prototype (experiment) in the sixties but never really functioned right. At some point they wanted to turn this into a museum, but after a debate it never happened. (Was radiation an issue?) My cell phone never seems to work in this area.
This area is home to a great surf spot called Domes. I have seen 20 ft waves here. I was once out in a kayak, before the break, where waves lifted me up as high as the palm trees, and after they'd pass, I was dropped in a hole surrounded by water.