The Gulf of Fonseca is a historic bay with the characteristics of an enclosed sea, located in the Pacific Ocean, west of Central America, and shared by El Salvador, Honduras, and Nicaragua. It is considered one of the best natural harbors in the world, covering an area of approximately 3,200 km².

Explore the islands of the Gulf of Fonseca in El Salvador. Visit Zacatillo Island and take a scenic tour to see islands such as Conchaguita, Martín Pérez Island, Ilka, Chuchito, Conejo Island, and El Trifinio from the Salvadoran side.