this park is of particular historical and archeological significance as it contains 'sambaquis' (shell-mounds) - ancient deposits formed by shells, kitchenware, utensils, and skeletons piled up by the populations which inhabited the coastal area in prehistoric times and then petrified by a natural calcification process.

historians, researchers, and educators interested in the history of the sepetiba bay, with particular attention to the protected areas, will much enjoy the study  implementacão de uma area de protecão ambiental na baía de sepetiba, rio de janeiro: educacão para o ambiente (implementing an environmental protection area in sepetiba bay, rio de janeiro: education for the environment), by paula moraes pereira.