I recommend you go on an organized tour, e.g. we went with Ziblo. We were brought there, they gave us background information and then we were "let lose" to discover the island on our own, so we went on an easy hike (if... More
I recommend you go on an organized tour, e.g. we went with Ziblo. We were brought there, they gave us background information and then we were "let lose" to discover the island on our own, so we went on an easy hike (if memory serves right, I think it was 60-90 minutes). We met our organizers on another beach on Curieuse where they prepared lunch while we relaxed on the beach.
We were in a very small group (which is exactly what we wanted, it was two of us and another family, so we were 6 people.