La Roqueta island that served as shelter to the pirates that besieged the Nao of China, is now an ecological reserve that holds numerous species of flora and fauna. https://www.visitmexico.com/en/main-activities/acapulco/visit-la-roqueta
Boca Del Puma is a pioneer theme park in Cancun. the idea was not to create a mass commercialised park but to offer a real cultural and historical site where visitors could play in jungle. https://bocadelpuma.com/en/about-us/