This small white lighthouse marks the place where the Champotón river empties into the sea. There is also a port and a bastion here.
More information http://www.campeche.travel/faro-de-champoton/
Address Avenida Carlos Sansores Pérez, Champotón 24400, Mexico
Coordinates 19°21'28.332" N -90°43'25.565" E