The Sunway Lagoon is a theme park in Subang Jaya, Selangor, Malaysia. It was officially opened by then Prime Minister Tun Mahathir bin Mohamad on 17 September 1997. It features rides in both the water park and the adjacent amusement park, excluding Scream Park, Wildlife Park & Extreme Park. In late 2008, new parks were added and minor improvements were made to the existing park.