| Mars Hill | town in E Madison County on Gabriels Creek. Inc. 1893; named for a hill in Athens, Greece. Alt. 2,300. Mars Hill College, est. 1856, is there. |
| Mars Hill Township | former township in SE Madison County, now township no. 15. |
| Marsden | See Chocowinity. |
| Marsden Creek | rises in central Henderson County and flows NW into Mill Pond Creek. |
| Marsh | community in S Davidson County served by post office, 1883-1905. |
| Marsh Bay | a loam-filled bay in S Columbus County. |
| Marsh Branch | rises in central Duplin County and flows E into Grove Creek. |
| Marsh Creek | rises in central Wake County and flows SE into Crabtree Creek. |
| Marsh Island | a peninsula extending from the S mainland of Hyde County into Pamlico Sound between Swanquarter Bay and Juniper Bay. See also Abigails Islands. |
| Marsh Point | extends from the S mainland of Hyde County into Rose Bay. |