Marlboro County Jetport - H E Avent Field Airport is a public-use general aviation airport located in Bennettsville, South Carolina. It serves the Marlboro County region and provides facilities for private, charter, and small aircraft operations. The airport bears the name of H E Avent Field, honoring a local figure associated with the facility's history. With IATA code BTN and ICAO identifier KBBP, it is a modest regional airfield without scheduled commercial airline service. The facility supports the local economy and provides essential aviation access for business and private travelers in the rural Pee Dee region of South Carolina.