Sofía A.
Google
The diving spots are full of life. The island itself is really beautiful, I love how nature took over the ruins of the prison. The guides are nice, helpful, and knowledgeable about the place and its history.
My only recommendation is that if you are going to have a tour on foot, wear something that covers your feet like tennis shoes or boots. Also, make sure that they have grip. You can slip easily... Mosquito repellent can save you from various bites.