Charter Boat Pilot Survey Database

Louisiana coastwide:

Coastal Study Area (CSA) 1 is bordered on the east by the Mississippi River state line and on the south by Bayou Terre aux Boeufs, including such major water bodies as Chandeleur and Mississippi Sounds, and Lake Borgne, Pontchartrain, and Maurepas.

Coastal Study Area 2 is bisected by the Mississippi River with Bay Terre aux Boeufs on the east, extending to Grand Bayou on the west. Some major water bodies found on the eastern side of the Mississippi River include Breton Sound, Black Bay, Bay Gardene, Little Lake, Bay Craba, American Bay, California Bay, Quarantine Bay and Grand Bay. Bay Adams, Bay Jacques, Skipjack Bay, Sandy Point Bay and Bay Lanaux are found on the western side of the Mississippi River.

Coastal Study Area 3 includes Barataria and Caminada Bays and Little Lake. Grand Bayou is the eastern boundary and Bayou Lafourche is the western boundary.

Coastal Study Area 4 is the Timbalier and Terrebonne Bay complex along with Lake Pelto. It is bounded on the east by Bayou Lafourche and on the west by Bayou Sale.

Coastal Study Area 5 is defined by Bayou Sale on the east and Atchafalaya River/Point au Fer Island on the west. Large water bodies in this area are Caillou Bay, Caillou Lake, Lake Mechant, Lake Decade and Four League Bay.

Coastal Study Area 6 extends from Atchafalaya River on the east to Freshwater Bayou on the west. Large water bodies in this area include Vermilion Bay, West Cote Blanche Bay, East Cote Blanche Bay and Atchafalaya Bay.

Coastal Study Area 7 encompasses the region from Freshwater Bayou, located in Vermilion Parish, westward to the Louisiana/Texas state line. Estuaries located within CSA VII include the Rockefeller Wildlife Refuge complex, the Mermentau River Basin, Calcasieu Lake, Lake Charles, Prien Lake and Sabine Lake.