Gulf of Mexico numerous bays and smaller inlets. A number of rivers empty into the gulf, most notably the Mississippi River and Rio Grande in the northern gulf, and the Grijalva and Usumacinta rivers in the southern gulf. The land that forms the gulf's coast, including many long, narrow barrier islands, is almost uniformly low-lying and is characterized by marshes and swamps as well as stretches of sandy beach. The Gulf of Mexico is an excellent example of a passive margin. The continental shelf is quite wide at most points along the coast, most notably at the Florida and Yucatán Peninsulas. The shelf
Harte Research Institute for Gulf of Mexico Studies for the world’s ninth largest body of water; and establish a cohesive strategy for ensuring the Gulf of Mexico’s ecological and socioeconomic health and productivity. The second State of the Gulf of Mexico Summit held December 4–8, 2011, in Houston, Texas, highlighted the strong need for a platform to develop a shared vision of a healthy Gulf in the aftermath of the April 2010 Deepwater Horizon oil spill catastrophe. In order to formulate a roadmap for restoring the Gulf, government, NGO and academic experts addressed a broad range of issues including: loss of wetlands, hypoxia, coastal resiliency, ecosystem health, marine