San Esteban Island
San Esteban Island is a small island in the Gulf of California, Mexico, located to the southwest of Tiburón Island. It is part of the Municipality of Hermosillo in Sonora, and has a land area of 39.773 km², the 15th-largest island in Mexico. It is located in the Gulf of California. 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, the spiny chuckwalla and the spiny-tailed iguana.