Underwater World Pattaya is an aquarium in Pattaya city, We have collected a lot of sea creatures with colourful corals. Walk through a large clear acrylic tunnel more than 105 metres for 180 degree views of the creatues around you as if you have dived into the sea. The tunnel has 3 zones Coral Reef Zone, Shark and Stingray Zone and Siam Giant Zone. You can also explore our Jellyfish Zone, the largest collection and display of jellyfish in Thailand. Each zone provides exciting history and knowledge.