Underwater World Pattaya is a popular aquarium attraction in Pattaya, Chonburi Province, featuring a 105-meter acrylic tunnel that delivers immersive 180-degree views of vibrant marine life. The facility is organized into multiple themed habitats including Coral Reef, Open Ocean, and Giant of Siam zones, each designed to replicate natural underwater environments. Scheduled feeding demonstrations are held throughout the day across three tanks, and educational programs cater to school groups and families. The attraction is open daily from 9:00 AM to 6:00 PM and offers affordable admission for Thai nationals, making it an accessible and engaging destination for visitors of all ages seeking to experience the wonders of the ocean without diving.