Major Coastal Water Bodies of Louisiana, Mississippi, and Alabama

Louisiana

• Gulf of Mexico
• Mississippi River
• Atchafalaya River
• Lake Pontchartrain
• Lake Maurepas
• Sabine River
• Calcasieu River
• Mermentau River
• Vermilion River
• Bayou Teche

Mississippi

• Gulf of Mexico
• Mississippi River
• Pearl River
• Pascagoula River
• Biloxi Bay
• St. Louis Bay
• Hancock, Harrison, Jackson Counties (coastal counties)

Alabama

• Gulf of Mexico
• Mobile Bay
• Mississippi Sound
• Tensaw River
• Tombigbee River
• Alabama River
• Coosa River
• Tallapoosa River
• Chattahoochee River

These waters define the Gulf Coast's ecology, economy, and culture.