Disney finally bought the island in 1965, prior to the construction of the Walt Disney World Resort. On April 8, 1974, the property opened to guests as Treasure Island. Some years later, it was designated as a zoological park and renamed Discovery Island. On April 8, 1999, the park was closed to the public and all animals were relocated to Disney's Animal Kingdom or other zoos. Despite talks of developing Myst Island in cooperation of the developers of the video game Myst, the park remains closed to the public.]]> Orlando Collection, Orange County Collection, RICHES of Central Florida.]]> RICHES of Central Florida for educational purposes only.]]>