This 5-acre facility houses the largest aquarium in Hawaii and features one of Hawaii's largest predators: the tiger shark. Exhibits are geared toward the residents of Hawaii's ocean waters. As you walk past the three dozen or so tanks and countless exhibits, you'll slowly descend from the "beach" to the deepest part of the ocean, without ever getting wet. Start at the surge pool, where you'll see shallow-water marine life like spiny urchins and cauliflower coral, then move on to the reef tanks, turtle pool, "touch" pool (with starfish and urchins), and eagle-ray pool before reaching the star of the show: the 100-foot-long, 600,000-gallon main tank featuring tiger, gray, and white-tip sharks, as well as tuna, surgeonfish, triggerfish, and numerous other tropicals. The most phenomenal thing about this tank is that the walkway goes right through it -- so you'll be surrounded on three sides by marine creatures. A very cool place, and well worth the time.