Gulf of Santa Catalina

33°00′N 118°00′W / 33.000°N 118.000°W / 33.000; -118.000

The Gulf of Santa Catalina, also the Gulf of Catalina, is a gulf in the Pacific Ocean on the West Coast of the United States. The eastern coast of the gulf belongs to the states of California, United States, and Baja California, Mexico. The largest town on the shore of the gulf is San Diego. The islands in the gulf include Santa Catalina Island. The gulf covers an area of more than 100 sq mi (260 km²) and borders the east coast of Catalina and the beaches of Orange, Los Angeles, and San Diego counties.

The gulf is located in a seismically active area.^[1]