 It was once inhabited by a group of the Seri people.San Esteban Island is home to many types of odd animal species found on only a few of the islands, such as the San Esteban chuckwalla ("Sauromalus varius"), the spiny chuckwalla ("S. hispidus") and the spiny-tailed iguana ("Ctenosaura conspicuosa").José Samanez

José Benigno Samanez y Ocampo (March 19, 1838 - November 14, 1887) navigated the rivers Apurimac, Ene, Tambo, Urubamba and Ucayali between 1883 and 1884, searching for the best way between the Pacific and Atlantic Ocean.