sentences:  The aquarium attracts around 2 million visitors each year and, through 2016, over 50 million people had visited.Out of the 51 accredited public aquariums in the United States in 2015, Monterey Bay Aquarium's 2.08 million visitors ranked it second by number of visits, behind Georgia Aquarium's 2.2 million.In 2015, it served 290,000 annual members.