Houston Gulf Airport (IATA: SPX, ICAO: KSPX, FAA LID: SPX) was a single-runway airport located in eastern League City, Texas, United States.

[3] A businessperson named James R. Bath purchased the airport on behalf of Salem bin Laden in 1977.

Bath received a 5 percent interest in the companies that own and operate the airport.

[6] After Salem bin Laden died, the airport, now owned by his estate, was for sale.

[9] The group of houses are part of a 2,000-house community called Tuscan Lakes.