Coast Guard Air Station Dinner Key is a former United States Coast Guard facility located in Dinner Key, Miami, Florida.

A United States Naval Air Station was established on Dinner Key in 1917.

Marc Mitscher, was the second largest naval air facility in the U.S. and was used to train seaplane pilots.

The former barracks and mess building were added to the U.S. National Register of Historic Places on August 10, 1995.

[5] On December 19, 2002, the US Coast Guard Air Station Hangar at Dinner Key was added to the U.S. National Register of Historic Places.