Conch Key is an island and unincorporated community in Monroe County, Florida, United States, located in the middle Florida Keys. U.S. 1 (the Overseas Highway) crosses the key at approximately mile markers 62âÂÂ63, between Long and Duck Keys. It is part of the census-designated place of Duck Key.
Little Conch Key, near mile marker 62.2, is also known as Walker's Island.
It is located at , its elevation .
It is in the Monroe County School District. It is zoned to Stanley Switick Elementary School (K-8) in Marathon.