Martin County Airport (ICAO: KMCZ, FAA LID: MCZ) is a county-owned, public-use airport in Martin County, North Carolina, United States.

[1] It is located six nautical miles (7 mi, 11 km) west of the central business district of Williamston, North Carolina.

[5] Martin County Airport covers an area of 110 acres (45 ha) at an elevation of 75 feet (23 m) above mean sea level.

[1] For the 12-month period ending May 30, 2021, the airport had 12,500 aircraft operations, an average of 34 per day: 96% general aviation and 4% military.

At that time there were 14 aircraft based at this airport: 13 single-engine and 1 multi-engine.