Underwater world Pattaya is famous for being the first modern aquarium in Thailand, which has more than 5,000 aquatic animals. Admire the beauty of an astonishing range of marine life, including the rare Shovel-Nose Ray, a hybrid of a shark and stingray, jellyfish, coral, sharks, manta rays, and enormous fish, from a 100-meter underwater tunnel. There are three zones in the tunnels: the Coral Reef Zone, the Shark and Stingray Zone, and the Giant of Siam Zone; additionally, we would like to add a new zone called the Jellyfish Zone, which has Thailand's largest collection and display of jellyfish.