The Waikiki Aquarium, located on the southeastern shore of Oahu, near Waikiki Beach, is one of the oldest aquariums in the U.S. and specializes in marine life from the Pacific Ocean. It features a range of exhibits showcasing coral reefs, marine invertebrates, and native Hawaiian fish. Highlights include interactive displays, touch pools, and the large Ocean Exhibit, which provides views of tropical fish and other sea creatures. The aquarium also focuses on conservation efforts and educational programs to promote marine science and the protection of ocean ecosystems.