Mobile Bay is a large estuary located in the southern part of Alabama, USA. It connects to the Gulf of Mexico and is bordered by the cities of Mobile and Daphne. The bay is known for its rich marine life and serves as an important habitat for various species of fish and birds. The bay is also significant for shipping and trade, as it provides access to the Port of Mobile, one of the busiest ports in the country. Additionally, Mobile Bay is home to several recreational activities, including fishing, boating, and birdwatching, attracting both locals and tourists alike.