Gulf Coast of the United States Pensacola, St. Petersburg, Tampa, and increasingly, Sarasota. All are the centers of their respective metropolitan areas and contain large ports. (Baton Rouge is relatively far from the Gulf of Mexico; its port is on the Mississippi River, as is the port of New Orleans.) The Gulf Coast is made of many inlets, bays, and lagoons. The coast is also intersected by numerous rivers, the largest of which is the Mississippi River. Much of the land along the Gulf Coast is, or was, marshland. Ringing the Gulf Coast is the Gulf Coastal Plain which reaches from Southern Texas to the western
Offshore oil and gas in the Gulf of Mexico (United States) and part of offshore Alabama, since 1995. In March 2010, President Barack Obama announced plans to allow drilling in the eastern Gulf of Mexico, in federal waters greater than from the coasts of Alabama and Florida. In December 2010, following the "Deepwater Horizon" oil spill, the Obama administration reversed its plans to open the eastern Gulf, and imposed a moratorium on new drilling in the eastern Gulf of Mexico for at least seven years. The "Deepwater Horizon" oil spill (also referred to as the BP oil spill, the BP oil disaster, the Gulf of Mexico oil spill, and the Macondo