Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Joyce Branch School (historical) | School | 155 | Aiken | 33 37 23 N | 081 37 13 W |
| Jumping Gut Creek | Stream | | Aiken | 33 44 33 N | 081 40 02 W |
| Juniper Creek | Stream | | Aiken | 33 43 31 N | 081 25 00 W |
| Kalmia Hills (subdivision) | Populated Place | 137 | Aiken | 33 34 05 N | 081 45 03 W |
| Kalmia Hills School | School | 127 | Aiken | 33 33 53 N | 081 45 55 W |
| Kalmia Landing (subdivision) | Populated Place | 145 | Aiken | 33 34 15 N | 081 45 29 W |
| Kalmia Plaza Shopping Center | Locale | 131 | Aiken | 33 34 00 N | 081 44 32 W |
| Kalop Branch | Stream | | Aiken | 33 43 32 N | 081 39 08 W |
| Kathwood | Populated Place | 42 | Aiken | 33 20 40 N | 081 50 39 W |
| Kathwood Church (historical) | Church | 92 | Aiken | 33 21 56 N | 081 50 24 W |
| Kathwood Lakes | Lake | 38 | Aiken | 33 20 20 N | 081 50 26 W |
| Kathwood School (historical) | School | 41 | Aiken | 33 20 43 N | 081 51 10 W |
| Keadle Bridge | Bridge | 70 | Aiken | 33 31 15 N | 081 24 36 W |
| Kedron Church | Church | 112 | Aiken | 33 41 52 N | 081 35 56 W |
| Kennedy Junior High School | School | 149 | Aiken | 33 31 29 N | 081 42 49 W |
| Kennedy Pond | Reservoir | 102 | Aiken | 33 38 14 N | 081 28 43 W |
| Kennedys Pond | Lake | 65 | Aiken | 33 22 15 N | 081 31 35 W |
| Kenny Branch School | School | 129 | Aiken | 33 41 31 N | 081 20 31 W |
| Kimball Pond | Lake | 77 | Aiken | 33 27 03 N | 081 44 28 W |
| Kimberly Clark Waste Water Basin | Reservoir | 45 | Aiken | 33 24 43 N | 081 54 17 W |
| Kines Fork | Stream | | Aiken | 33 38 39 N | 081 48 43 W |
| Kirklands Pond | Reservoir | 121 | Aiken | 33 42 06 N | 081 31 27 W |
| Kitchings Mill | Populated Place | 103 | Aiken | 33 34 43 N | 081 28 38 W |
| Kitchins Mill School (historical) | School | 108 | Aiken | 33 34 25 N | 081 27 47 W |
| Kneece Cemetery | Cemetery | 159 | Aiken | 33 50 03 N | 081 33 30 W |
| Kneeces Mill Pond | Reservoir | 112 | Aiken | 33 49 01 N | 081 31 17 W |
| Kneeces Mill Pond Dam D-0740 | Dam | 112 | Aiken | 33 49 01 N | 081 31 17 W |
| Kneeces Pond | Reservoir | 140 | Aiken | 33 47 49 N | 081 34 11 W |
| Lake Florence | Reservoir | 53 | Aiken | 33 23 29 N | 081 48 47 W |
| Lake Florence | Reservoir | 53 | Aiken | 33 23 31 N | 081 48 47 W |
| Lake Johnsons | Lake | 71 | Aiken | 33 26 29 N | 081 48 24 W |
| Lake Josephine | Lake | 120 | Aiken | 33 42 55 N | 081 40 38 W |
| Lake Maxine | Reservoir | 84 | Aiken | 33 34 49 N | 081 19 05 W |
| Lakewood | Populated Place | 64 | Aiken | 33 30 58 N | 081 54 02 W |
| Lakewood (subdivision) | Populated Place | 77 | Aiken | 33 31 13 N | 081 58 54 W |
| Langley | Populated Place | 58 | Aiken | 33 31 04 N | 081 50 38 W |
| Langley Baptist Church | Church | 53 | Aiken | 33 30 59 N | 081 50 46 W |
| Langley Pentecostal Holiness Church | Church | 56 | Aiken | 33 31 13 N | 081 50 15 W |
| Langley Pond | Reservoir | 53 | Aiken | 33 31 17 N | 081 50 43 W |
| Langley United Methodist Church | Church | 55 | Aiken | 33 31 08 N | 081 50 33 W |
| Langley Villa | Populated Place | 97 | Aiken | 33 30 42 N | 081 49 43 W |
| Langley-Bath-Clearwater High School | School | 59 | Aiken | 33 30 12 N | 081 51 55 W |
| Laughlin Pond | Reservoir | 92 | Aiken | 33 38 23 N | 081 34 33 W |
| Laughlin Upper Pond | Reservoir | 132 | Aiken | 33 37 55 N | 081 34 53 W |
| Laurel Lake | Reservoir | 103 | Aiken | 33 34 30 N | 081 55 17 W |
| Laurel Lake Dam D-2023 | Dam | 103 | Aiken | 33 34 30 N | 081 55 17 W |
| Laurel Lakes | Populated Place | 93 | Aiken | 33 34 20 N | 081 55 04 W |
| Laurens Street Elementary School | School | 161 | Aiken | 33 33 52 N | 081 43 19 W |
| Leavelle-McCampbell Middle School | School | 72 | Aiken | 33 34 03 N | 081 48 22 W |
| Lebanon Church (historical) | Church | 145 | Aiken | 33 31 02 N | 081 41 17 W |
| Lebanon School (historical) | School | 145 | Aiken | 33 31 01 N | 081 41 16 W |
| Levels Church | Church | 152 | Aiken | 33 32 36 N | 081 40 36 W |
| Levingsworths Mill (historical) | Locale | 49 | Aiken | 33 30 07 N | 081 53 38 W |
| Lightwood Knot School (historical) | School | 175 | Aiken | 33 47 33 N | 081 35 18 W |
| Lions Park | Park | 59 | Aiken | 33 29 45 N | 081 58 55 W |
| Little Branch | Stream | | Aiken | 33 41 35 N | 081 36 42 W |
| Little Horse Creek | Stream | | Aiken | 33 38 39 N | 081 48 44 W |
| Little Horse Creek | Stream | | Aiken | 33 29 47 N | 081 53 17 W |
| Little Horse Creek Church | Church | 81 | Aiken | 33 33 37 N | 081 52 15 W |
| Livingstons Mill (historical) | Locale | 95 | Aiken | 33 34 49 N | 081 31 33 W |
| Lockett Chapel | Church | 163 | Aiken | 33 34 12 N | 081 43 41 W |
| Long Branch | Stream | | Aiken | 33 23 04 N | 081 48 44 W |
| Long Branch | Stream | | Aiken | 33 28 28 N | 081 25 50 W |
| Long Branch | Stream | | Aiken | 33 37 49 N | 081 42 41 W |
| Long Branch | Stream | | Aiken | 33 38 44 N | 081 48 50 W |
| Long Branch | Stream | | Aiken | 33 43 44 N | 081 32 16 W |
| Long Branch | Stream | | Aiken | 33 44 40 N | 081 40 40 W |
| Lotts Creek | Stream | | Aiken | 33 46 58 N | 081 41 04 W |
| Lower McElmurray Lake | Reservoir | 59 | Aiken | 33 24 43 N | 081 48 53 W |
| Lower Silver Bluff | Cliff | 30 | Aiken | 33 17 48 N | 081 50 54 W |
| Lynnhurst (subdivision) | Populated Place | 143 | Aiken | 33 30 35 N | 081 58 14 W |
| Lynns Ranchettes | Populated Place | 84 | Aiken | 33 27 50 N | 081 53 36 W |
| Lynwood | Populated Place | 52 | Aiken | 33 30 27 N | 081 51 37 W |
| Macedonia Church | Church | 123 | Aiken | 33 37 47 N | 081 42 09 W |
| Madison | Populated Place | 64 | Aiken | 33 33 23 N | 081 48 38 W |
| Magnolia Church | Church | 140 | Aiken | 33 41 36 N | 081 34 54 W |
| Marion Street Church | Church | 155 | Aiken | 33 33 23 N | 081 42 38 W |
| Marrow Bone Swamp Creek | Stream | | Aiken | 33 43 50 N | 081 24 39 W |
| Marsuella School (historical) | School | 173 | Aiken | 33 46 03 N | 081 38 24 W |
| Martintown Plaza Shopping Center | Locale | 94 | Aiken | 33 29 55 N | 081 57 28 W |
| Martintowne (subdivision) | Populated Place | 107 | Aiken | 33 31 25 N | 081 58 24 W |
| Mason Branch | Stream | | Aiken | 33 40 36 N | 081 43 45 W |
| Masonic Shopping Center | Locale | 73 | Aiken | 33 33 52 N | 081 48 24 W |
| Mathis Lake | Lake | 146 | Aiken | 33 33 40 N | 081 55 54 W |
| Matlock Church | Church | 55 | Aiken | 33 20 26 N | 081 49 06 W |
| McElmurray Pond | Lake | 62 | Aiken | 33 25 06 N | 081 49 13 W |
| McKinneys Mill (historical) | Locale | 34 | Aiken | 33 19 38 N | 081 51 51 W |
| McLaurin School (historical) | School | 143 | Aiken | 33 42 28 N | 081 34 19 W |
| McTier Creek | Stream | | Aiken | 33 41 40 N | 081 36 45 W |
| Mead Hall School | School | 144 | Aiken | 33 32 58 N | 081 43 27 W |
| Mealing Grove Church | Church | 161 | Aiken | 33 35 12 N | 081 57 40 W |
| Mealing Heights (subdivision) | Populated Place | 63 | Aiken | 33 29 28 N | 081 57 48 W |
| Mealing Park | Park | 67 | Aiken | 33 29 31 N | 081 57 47 W |
| Melton Branch | Stream | | Aiken | 33 41 41 N | 081 44 56 W |
| Memorial Baptist Church | Church | 159 | Aiken | 33 34 15 N | 081 44 14 W |
| Merritt Bridge | Bridge | 90 | Aiken | 33 41 12 N | 081 36 13 W |
| Merritts Bridge (historical) | Populated Place | 100 | Aiken | 33 41 16 N | 081 35 39 W |
| Merritts Bridge Church | Church | 122 | Aiken | 33 41 17 N | 081 32 35 W |
| Midland Country Club | Locale | 89 | Aiken | 33 33 05 N | 081 49 53 W |
| Midland Valley | Populated Place | 70 | Aiken | 33 33 05 N | 081 49 15 W |
| Midland Valley High School | School | 99 | Aiken | 33 31 33 N | 081 51 33 W |
| Mile Branch | Stream | | Aiken | 33 43 39 N | 081 39 22 W |
| Mill Branch | Stream | | Aiken | 33 42 13 N | 081 39 45 W |
| Mill Creek | Stream | | Aiken | 33 45 48 N | 081 41 28 W |
| Millbrook Cemetery | Cemetery | 155 | Aiken | 33 31 26 N | 081 43 02 W |
| Millbrook Church | Church | 152 | Aiken | 33 31 28 N | 081 42 58 W |
| Millbrook Estates (subdivision) | Populated Place | 152 | Aiken | 33 30 47 N | 081 43 04 W |
| Millbrook School | School | 151 | Aiken | 33 31 36 N | 081 42 53 W |
| Milledgeville (historical) | Populated Place | 158 | Aiken | 33 40 20 N | 081 46 14 W |
| Miller Pond | Reservoir | 97 | Aiken | 33 35 19 N | 081 19 11 W |