Travelers are voting Siam Ocean World and Bangkok Aquarium as the best aquariums in Bangkok. There are 1 aquarium in Ayutthaya a city just 41 km from Bangkok and 1 aquarium in Pattaya which is 62 km distant. The most popular of these are Ang Thong Aquarium in Ayutthaya and Underwater World Pattaya in Pattaya. You can find 4 aquariums in Central Thailand and 12 aquariums in the country of Thailand. Our members favorite in Central Thailand is Bangkok Aquarium and Siam Ocean World is the top pick in Thailand. Want more? Check out our map of aquariums in Bangkok.