Underwater World is an aquarium located in Pattaya, Thailand, which opened its doors on July 4, 2003. The facility features sandy beaches, rocky reefs, and coral gardens, along with a large tunnel where visitors can encounter various underwater species. This indoor aquarium showcases aquatic life from Thailand, boasting a 100-meter-long underwater tunnel and activities such as shark diving. Additionally, there are mermaid shows and other exciting performances that enhance your experience.