Which gulf off the southern coast of United states?

The Gulf of Mexico is a large gulf off the southern coast of the United States. It is bordered by the states of Florida, Alabama, Mississippi, Louisiana, and Texas. The Gulf of Mexico is connected to the Atlantic Ocean by the Straits of Florida and to the Caribbean Sea by the Yucatán Channel. The Gulf of Mexico is a major source of oil and natural gas, and it is also a popular tourist destination.