Francis S. Gabreski Airport is situated on 1,451 acres of land on the southeastern portion of Long Island in the Town of Southampton, in the County of Suffolk. The Village of Westhampton Beach is located to the south of the Airport and the Villages of Quogue and East Quogue are located to the east. The Airport lies between Sunrise Highway to the north and the Long Island Rail Road tracks to the south. The Airport is located approximately 60 miles from Nassau County and 90 miles from New York City. The airport serves general aviation and military Air National Guard Aircraft. The airport was an alternate landing site for the former NASA Space Shuttle program due to it's 9,000 foot runway length. 

Security at the airport is provided by the Suffolk County Sheriff's Office (631-852-2651). In addition, the Air National Guard has a Security Forces detail on the airport around the clock. The Suffolk County Police Department's on site medi-vac helicopter unit also contributes to police presence on the airport.

The airport maintains a current Airport Security Plan in conformance with the New York State Anti-Terrorism Preparedness Act of 2004 and Transportation Security Administration's "Security Guidelines for General Aviation Airports" dated May 2004.