Discovery Island: Bay Lake's Former Wildlife Preserve

Discovery Island was an island wildlife attraction in Walt Disney World’s Bay Lake. It opened as Treasure Island on April 8, 1974, changed its name in 1977, and closed on April 8, 1999. Its history is distinct from the Discovery Island area inside Disney’s Animal Kingdom. The shared name is not evidence that visitors can reach the old Bay Lake attraction by entering the later park. Disney’s historical entry.

An island before the resort

The island was part of a landscape with a human history before it became a Disney attraction. In Steven Vagnini’s account of Disney employee Phil Smith and his family’s life on the property, it appears as Riles Island, a place the family visited by rowboat for picnics during the 1960s. A dated photograph shows the island in 1967. D23’s Phil Smith history.

That account provides a more grounded starting point than treating the island as scenery created entirely for the resort. The later attraction adapted an existing place. Its development belongs alongside the broader transformation of Bay Lake and the surrounding land, even though the island itself offered a quieter experience than the theme park.

Disney’s Bay Lake reference places the island in the lake east of the Contemporary Resort and distinguishes that body of water from Seven Seas Lagoon, connected by a water bridge. That geographical distinction helps orient photographs and old resort maps. Bay Lake reference.

Treasure Island becomes Discovery Island

The original name reflected the Disney film Treasure Island. Disney’s reference notes that a wrecked-ship scenic element remained visible along the shore after the attraction changed names. The 1977 change to Discovery Island shifted the name toward the wildlife experience rather than erasing every trace of the earlier theme. Names and shoreline theming.

A souvenir using “Treasure Island” can therefore refer to the Florida wildlife attraction, not necessarily a different island resort or a cruise destination. Dates are essential when identifying these objects: the title on a brochure can help place it within a particular chapter of the attraction’s life.

Wildlife at a different scale

The roughly eleven-and-a-half-acre preserve featured birds, other animals, a walk-through aviary, and giant tortoises. Disney also records its involvement in efforts to conserve the dusky seaside sparrow, including a breeding program and the death of the last pure individual on the island. The historical entry does not by itself establish every biological detail or justify a sweeping claim of conservation success. Disney’s wildlife summary.

The contrast with a ride-based attraction is important. The principal subjects were living animals, not a repeated sequence of animated scenes. A visitor’s account of a particular bird encounter may document one experience without describing a performance that happened identically for every arriving group. Maps, species records, and dated photographs tell different parts of that history.

Closure and what it does—and does not—explain

Disney’s reference records the April 8, 1999, closure. Asked retrospectively about both Discovery Island and River Country, archivist Dave Smith said they had been overtaken by larger, more elaborate attractions. That is a useful attributed explanation, but it is not a complete operational or financial report. Closure date, Smith’s explanation.

The date also does not establish when every animal moved, when each staff activity ended, or which structures subsequently deteriorated. Those questions require more specific records. An abandoned-looking photograph cannot answer them all.

The former attraction is not presented here as a place to explore without authorization. Its historical value lies in the documented public experience and the earlier landscape, not in trespass accounts. Reading it alongside River Country helps recover a broader vacation-resort history: Walt Disney World once offered distinct waterside destinations whose pace, scale, and purposes were different from a day inside a theme park.