Federally protected ecological zone and natural wintering bird esturay.
Caimans (yellow crocodiles) can be seen close up in the "Estero de la Manzanilla" lagoon on the north edge of town. The last crocodile count in the La Manzanilla mangrove swamp was 127 healthy specimens. The largest measure up to 16ft. long. The yellow crocodile preservation society "SCSI Cipactli" is striving to increase the population of wild crocodiles in the Costalegre. The SCSI organization is the "Sociedad Cooperativa de Servicios Eco-Turisticos". For more information contact one of the following persons. Dr. Luis Fernando Gonzalez, Carlos Bartalo Cruz Romero.