Bay Lake is a city in Orange County, Florida, United States. The population was 47 at the 2010 census. It is eponymously named after a lake located east of the Magic Kingdom. All four of the Walt Disney World theme parks, and one of the two water parks, are located in Bay Lake.

Bay Lake is a natural lake about one mile (1500 m) across and a depth of 35 feet (10.7 m), located in Orange County, Florida, in the north end of the Walt Disney World property, in the Disney-controlled city of Bay Lake, Florida, and immediately to the east of the Magic Kingdom.