Closed and No Longer in Existence:
These are golf courses that used to exist.
Their old footprint is either:
A) being used for another purpose than a golf course; or
B) abandoned and the footprint still exists (chance of revival).
The date when the course closed is shown in square brackets.
Type A
Duck Key GC - Marathon - 9E [1960-1986]
Key Largo Anglers Club Executive GC - Key Largo - 3E [1990s]