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In order to characterize the nesting activity of sea turtles on Morrillo beach, nocturnal and diurnal monitoring was carried out from July to November 2021. The following information was recorded: number of events, number of nests, types of tracks, biometrics of the tracks, nesting species, biometric data of nesting females, position of nests in the beach profile and reference points of the beach, and the status of the nests (poached or depredated). A total of 445 events were documented, of which 300 were true events. Of these, 224 were attributed to L. olivacea, 45 to C. mydas, 10 to E. imbricata, and 21 nests could not be identified. 57 L. olivacea females were measured, with an average CCL of 65.2 cm and an CCW of 69.5 cm, and 18 C. mydas females were measured with a CCL of 74.6 cm and an CCW of 69.6 cm. Additionally, it was determined that poaching of eggs and depredation by dogs were the main causes of nest loss. This study highlighted the importance of Morrillo beach as a key site for sea turtle nesting in the Panamanian Pacific.