Siguanea Airport (Spanish: Aeropuerto "Siguanea") (IATA: SZJ, ICAO: MUSN) is an airfield serving Isla de la Juventud special municipality in Cuba. It is located near to the "Colony" tourist resort at the Siguanea gulf. It has no regular flights.
The airport resides at an elevation of 12 m (39 ft) above mean sea level. It has one runway designated 05/23 with an asphalt surface measuring 1,800 m × 30 m (5,906 ft × 98 ft).