sentences:  The lagoon has been the object of archaeological investigations that have shown traces of occupation from the Middle Preclassic through to the Terminal Classic.Although Tamarindito was located very close to the hostile Dos Pilas kingdom, it never possessed purpose-built defensive fortifications.The area between Tamarindito and Aguateca includes some of the most agriculturally fertile soils in the Petexbatún region and was intensively cultivated as evidenced by the remains of low boundary walls.