| Mack Gap | W Jackson County on the head of Sutton Branch. |
| Mack Hill Gap | N Yancey County on McKinney Branch. |
| Mack Perry Pond | on Fowlers Creek, NE Wake County. Covers 38 acres; max. depth 20 ft. Used for fishing and irrigation. |
| Mack Williams Branch | rises in W Yancey County and flows SE into Jacks Creek. |
| Mackay Island | a portion of SW Knotts Island, NE Currituck County. It is separated from Knotts Island by Indian Creek and Back Creek, an inlet of North Landing River. Approx. 2 mi. long and 2 mi. wide. Appears as Notts or Mackys Island on the Collet map, 1770. |
| Mackerel Mountain | on the Henderson County, N.C.-Greenville County, S.C., line. Alt. 3,031. |
| Mackey Mountain | W McDowell County. Alt. 3,994. |
| Mackeys | community in N Washington County W of the mouth of Kendricks Creek on Albemarle Sound. Alt. 8. Settled about 1765 near the S terminus of Mackeys Ferry, which see, named for Col. William Mackey, local landowner. Post office est. 1856 as Mackeys Ferry; name changed to Mackeys in 1913. Mackeys Ferry appears on the Collet map, 1770. |
| Mackeys Creek | rises in W McDowell County and flows SE into Catawba River. |
| Mackeys Creek | See Kendricks Creek. |