Discover all the wonders that lie underneath the deep blue waters of Malaysia's oceans with a visit to Underwater World Langkawi, one of the largest aquariums in the country! Check out the 4,000 different aquatic species as you explore the park that's almost six acres big, with facilities like the Seashell Display, the Koi Pond, and a new building which features the Tropical Rainforest, Temperate and Sub-Antarctic Ecosystems. See massive sea creatures like stingrays, groupers, and green turtles as you walk through the 15-meter long tunnel that houses 500,000 liters of seawater! Take photos of the adorable penguins playing around inside the "Penguinarium," which features a small tunnel where you can watch them swim. If you want to see more of the aquarium's fascinating creatures, you can also attend the feeding schedules and learn more about them as they show off for the trainers.