Think you've seen it all? Take a journey at Maui's state-of-the-art aquarium, Maui Ocean Center, rated as one of the top tourist sites in Hawai'i. Explore Hawai'i's underwater world up close with over 60 exhibits. Popular exhibits include the green sea turtle tank and a clear underwater 54 foot walk through tunnel with up close views of coral, turtles, sharks, manta rays and thousands of vibrant tropical fish.