Inlet of the Gulf of Mexico, southeastern Louisiana, U.S. The bay is about 15 mi (24 km) long and 12 mi (19 km) wide, and its entrance is a narrow channel, navigable through connecting waterways into the
Gulf Intracoastal Waterway system. The area is noted for its shrimp industry and natural-gas and oil wells.
Jean Laffite and his brother organized a colony of pirates around its coast in 1810 – 14, and it is sometimes called Laffite Country.
For more information on Barataria Bay, visit Britannica.com.