The park began operating in 1992[1] and was officially opened by the former Prime Minister of Malaysia, Mahathir Mohamad, on 29 April 1993.

[9] In 2016, in partnership with Lynton V. Harris, Sunway Lagoon announced the addition of "The Ghostbusters Adventure Live!"

[11] The animal sanctuaries within the park are uniquely named, such as Pet Village, Jungle Trail, and Bird Savannah.

[17] On 20 November 1997, a woman fell to her death from the “Runaway Train" rollercoaster after the safety bar and belt failed.

Sunway Lagoon was directed to suspend operations of the Runaway Train ride until safety measures were reviewed and implemented.