Gulf Coast of the United States of the Gulf Coast. The following table lists the 15 largest MSAs along the Gulf Coast. Gulf Coast of the United States The Gulf Coast of the United States is the coastline along the Southern United States where they meet the Gulf of Mexico. The coastal states that have a shoreline on the Gulf of Mexico are Texas, Louisiana, Mississippi, Alabama, and Florida, and these are known as the "Gulf States". The economy of the Gulf Coast area is dominated by industries related to energy, petrochemicals, fishing, aerospace, agriculture, and tourism. The large cities of the region are (from west
Department of the Gulf Department of the Gulf The Department of the Gulf was a command of the United States Army in the nineteenth and early twentieth centuries and of the Confederate States Army during the Civil War. The department was constituted on February 23, 1862 when the United States War Department issued General Orders No. 20; the department consisted of "...all of the coast of the Gulf of Mexico west of Pensacola harbor, and so much of the Gulf States as may be occupied by the forces under Major General B.F. Butler." On March 20, 1862, Butler activated his command at Ship Island,