There are a lot of normal activies that you can do at the resort but also a lot of excursions at extra cost, so if you guys want to plan something togethere give us some ideas please thanks
heres a website that is very helpful for information about Cayo Santa Maria:
http://www.cayosantamaria.info/excursions_fr.html
I am not sure if preices are still the same
many more to come cause that's the longest part of this site