The Gulf of Mexico is often referred to as the United States’ “Third Coast” due to its coastline across five southeastern states. Mexicans use a Spanish version of the same name for the gulf ...

a, Topography of eastern North America and the location of a SW-NE profile within the Gulf of Mexico (GOM).b, Rate of sediment accumulation within the GOM during the Cenozoic, modified from ref ...

The United States, Mexico and Cuba have jurisdiction over different parts of the gulf. ... This name change has an immediate impact on U.S. federal agencies that map or refer to the gulf.