San Diego Bay is a natural harbor located along the coast of Southern California. It is bordered by the city of San Diego and is known for its scenic beauty and vibrant marine life. The bay covers approximately 12 square miles and is an important area for shipping, recreation, and tourism. The bay is home to several attractions, including Coronado Island and Balboa Park. It also supports a variety of wildlife, making it a popular spot for birdwatching and water activities like kayaking and sailing. The surrounding area features parks, beaches, and walking paths, enhancing its appeal to visitors and locals alike.