The Waikiki aquarium has the distinction of being the second oldest public aquarium in the United States. Established in 1904 and located near Waikiki Beach, this small aquarium is doing big things in terms of helping the ocean conservation effort, and in educating the public about marine life in the Pacific. Visit to see colorful living corals, playful monk seals, sharks, jellyfish, green sea turtles, and large variety of beautiful tropical fish. Knowledgeable and friendly staff members provide tours and answer any questions you may have about the animals. Also, be sure to ask about the various educational activities and classes offered at the aquarium.