Casey Key is a barrier island off the coast of Southwest Florida, located south of Siesta Key.

Casey Key is part of the North Port—Sarasota—Bradenton Metropolitan Statistical Area.

Casey Key was severely damaged by 2024 hurricanes Helene and Milton.

[2] Casey Key is erroneously named after Captain John Charles Casey as a result of a United States Coast Survey chart published in 1851.

This article about a location in Sarasota County, Florida is a stub.