Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Sullivan Crossroads | Populated Place | 160 | Edgefield | 33 55 16 N | 082 06 55 W |
| Sullivan Junior High School | School | 202 | York | 34 57 31 N | 081 00 18 W |
| Sullivan Lake (historical) | Lake | 23 | Clarendon | 33 27 46 N | 080 22 27 W |
| Sullivan Mill (historical) | Locale | 174 | Laurens | 34 30 22 N | 082 13 19 W |
| Sullivan Park | Park | 188 | York | 34 57 36 N | 081 01 00 W |
| Sullivan Pond Dam D-3185 | Dam | 85 | Chesterfield | 34 29 01 N | 080 18 23 W |
| Sullivan School (historical) | School | 160 | Edgefield | 33 55 17 N | 082 06 58 W |
| Sullivan Street Elementary School (historical) | School | 294 | Greenville | 34 50 02 N | 082 24 36 W |
| Sullivans Branch | Stream | | Clarendon | 33 36 21 N | 080 23 38 W |
| Sullivans Church (historical) | Church | 6 | Dorchester | 32 53 49 N | 080 23 06 W |
| Sullivans Ferry | Locale | 6 | Dorchester | 32 54 44 N | 080 24 24 W |
| Sullivans Ferry (historical) | Crossing | 6 | Dorchester | 32 54 44 N | 080 24 22 W |
| Sullivans Ferry Crossroads | Locale | 6 | Dorchester | 32 54 29 N | 080 23 05 W |
| Sullivans Island | Island | 3 | Charleston | 32 45 55 N | 079 50 12 W |
| Sullivans Island | Populated Place | 4 | Charleston | 32 45 48 N | 079 50 12 W |
| Sullivans Island Baptist Church | Church | 3 | Charleston | 32 45 34 N | 079 50 44 W |
| Sullivans Island Elementary School | School | 4 | Charleston | 32 45 35 N | 079 50 22 W |
| Sullivans Island Narrows | Channel | 4 | Charleston | 32 46 25 N | 079 50 26 W |
| Sullivans Island Post Office | Post Office | 4 | Charleston | 32 45 44 N | 079 50 14 W |
| Sulphur Spring Branch | Stream | | Newberry | 34 27 56 N | 081 33 20 W |
| Sulphur Spring Branch | Stream | | Union | 34 48 32 N | 081 47 32 W |
| Sulphur Springs Cemetery | Cemetery | 195 | Union | 34 48 45 N | 081 46 57 W |
| Sulphur Springs Church | Church | 197 | Union | 34 48 46 N | 081 46 53 W |
| Sulton Pond | Reservoir | 62 | Calhoun | 33 46 13 N | 081 01 47 W |
| Sulton Pond Dam D-2671 | Dam | 62 | Calhoun | 33 46 13 N | 081 01 47 W |
| Sumei Circle | Populated Place | 88 | Kershaw | 34 07 33 N | 080 45 18 W |
| Summer Grove Church | Church | 116 | Aiken | 33 25 16 N | 081 29 08 W |
| Summer Hill | Populated Place | 130 | Aiken | 33 30 21 N | 081 57 16 W |
| Summer Place | Populated Place | 252 | Anderson | 34 34 58 N | 082 40 31 W |
| Summer View | Populated Place | 55 | Sumter | 33 54 47 N | 080 24 49 W |
| Summerall Field | Park | 3 | Charleston | 32 47 52 N | 079 57 36 W |
| Summerfield Elementary School | School | 110 | Aiken | 33 30 01 N | 081 57 17 W |
| Summerfield Elementary School Annex | School | 130 | Aiken | 33 30 30 N | 081 57 25 W |
| Summerfields (subdivision) | Populated Place | 94 | Aiken | 33 29 49 N | 081 56 48 W |
| Summerhill (subdivision) | Populated Place | 230 | Spartanburg | 34 56 45 N | 081 57 06 W |
| Summerhouse Creek | Stream | | Charleston | 32 55 20 N | 079 36 34 W |
| Summerhouse Point | Cape | 1 | Beaufort | 32 31 28 N | 080 34 31 W |
| Summers Branch | Stream | | Newberry | 34 14 27 N | 081 22 31 W |
| Summers Cemetery | Cemetery | 42 | Orangeburg | 33 19 08 N | 080 45 01 W |
| Summers Homes (subdivision) | Populated Place | 53 | Sumter | 33 56 31 N | 080 21 23 W |
| Summers Station Heliport | Airport | 129 | Fairfield | 34 18 13 N | 081 19 11 W |
| Summerset Acres | Populated Place | 16 | Dorchester | 33 01 53 N | 080 16 38 W |
| Summerton | Populated Place | 42 | Clarendon | 33 36 30 N | 080 21 04 W |
| Summerton Baptist Church | Church | 45 | Clarendon | 33 36 30 N | 080 20 50 W |
| Summerton Graded School (historical) | School | 43 | Clarendon | 33 36 25 N | 080 21 09 W |
| Summerton High School (historical) | School | 43 | Clarendon | 33 36 25 N | 080 21 13 W |
| Summerton Lookout Tower | Tower | 45 | Clarendon | 33 37 46 N | 080 19 06 W |
| Summerton Methodist Episcopal Church South | Church | 44 | Clarendon | 33 36 23 N | 080 21 09 W |
| Summerton Presbyterian Church | Church | 44 | Clarendon | 33 36 20 N | 080 21 06 W |
| Summerton Waste Treatment Pond | Reservoir | 31 | Clarendon | 33 34 49 N | 080 20 53 W |
| Summerville | Populated Place | 27 | Dorchester | 33 01 07 N | 080 10 32 W |
| Summerville | Populated Place | 136 | Richland | 34 12 33 N | 081 18 34 W |
| Summerville Cemetery | Cemetery | 25 | Dorchester | 32 59 57 N | 080 12 55 W |
| Summerville City Hall | Building | 26 | Dorchester | 33 01 06 N | 080 10 34 W |
| Summerville Country Club | Locale | 24 | Dorchester | 32 59 54 N | 080 12 06 W |
| Summerville Elementary School | School | 25 | Dorchester | 33 00 34 N | 080 10 59 W |
| Summerville Farms | Populated Place | 24 | Dorchester | 32 58 26 N | 080 12 56 W |
| Summerville High School | School | 20 | Dorchester | 32 59 39 N | 080 13 05 W |
| Summerville High-Gregg Camp School | School | 16 | Dorchester | 32 59 24 N | 080 12 59 W |
| Summerville Historic District | Park | 27 | Dorchester | 33 01 17 N | 080 10 19 W |
| Summerville Industrial Park | Locale | 25 | Dorchester | 33 02 03 N | 080 12 20 W |
| Summerville Lookout Tower | Tower | 12 | Dorchester | 32 56 02 N | 080 10 39 W |
| Summerville Place | Populated Place | 21 | Dorchester | 32 59 11 N | 080 08 29 W |
| Summerville Post Office | Post Office | 28 | Dorchester | 33 01 12 N | 080 10 37 W |
| Summerville Presbyterian Church | Church | 22 | Dorchester | 33 01 05 N | 080 10 55 W |
| Summerville School | School | 31 | Florence | 34 12 58 N | 079 36 54 W |
| Summerville School (historical) | School | 140 | Richland | 34 12 36 N | 081 18 37 W |
| Summerville Speedway | Locale | 16 | Dorchester | 33 00 19 N | 080 15 34 W |
| Summerville Water Plant | Locale | 13 | Dorchester | 32 57 34 N | 080 12 06 W |
| Summerville-Cunningham Cemetery | Cemetery | 93 | Lancaster | 34 29 56 N | 080 49 19 W |
| Summerwood | Populated Place | 9 | Dorchester | 32 58 18 N | 080 08 19 W |
| Summerwoods (subdivision) | Populated Place | 279 | Greenville | 34 47 10 N | 082 18 19 W |
| Summey Pond | Reservoir | 323 | Pickens | 34 55 18 N | 082 50 60 W |
| Summey Pond Dam D-1959 | Dam | 323 | Pickens | 34 55 18 N | 082 50 60 W |
| Summit | Populated Place | 185 | Lexington | 33 55 30 N | 081 25 19 W |
| Summit Square Shopping Center | Locale | 326 | Pickens | 34 49 30 N | 082 33 00 W |
| Summitt Drive Elementary School | School | 301 | Greenville | 34 52 32 N | 082 22 57 W |
| Summons Swamp | Stream | | Georgetown | 33 21 58 N | 079 30 42 W |
| Sumpayrac Mill (historical) | Locale | 49 | Chesterfield | 34 29 14 N | 079 57 24 W |
| Sumter | Populated Place | 52 | Sumter | 33 55 14 N | 080 20 29 W |
| Sumter Area Technical College | School | 52 | Sumter | 33 55 60 N | 080 22 15 W |
| Sumter Calvary Church | Church | 53 | Sumter | 33 47 30 N | 080 23 26 W |
| Sumter Cemetery | Cemetery | 52 | Sumter | 33 54 48 N | 080 21 36 W |
| Sumter Chapel | Church | 21 | Berkeley | 33 21 18 N | 079 57 28 W |
| Sumter City Hall | Building | 51 | Sumter | 33 55 18 N | 080 20 25 W |
| Sumter County | Civil | 48 | Sumter | 33 52 01 N | 080 23 59 W |
| Sumter County Career Center | School | 55 | Sumter | 33 53 55 N | 080 23 42 W |
| Sumter County Correctional Center | Building | 52 | Sumter | 33 57 21 N | 080 20 26 W |
| Sumter County Courthouse | Building | 51 | Sumter | 33 55 22 N | 080 20 27 W |
| Sumter County Health Center | Hospital | 49 | Sumter | 33 55 21 N | 080 20 16 W |
| Sumter County Jail | Building | 51 | Sumter | 33 55 20 N | 080 20 24 W |
| Sumter County Library | Building | 50 | Sumter | 33 55 21 N | 080 20 22 W |
| Sumter Female Institute (historical) | School | 52 | Sumter | 33 55 29 N | 080 20 39 W |
| Sumter High School | School | 55 | Sumter | 33 53 51 N | 080 23 34 W |
| Sumter Historic District | Park | 52 | Sumter | 33 55 14 N | 080 20 35 W |
| Sumter Industrial Park | Locale | 44 | Sumter | 33 55 18 N | 080 18 49 W |
| Sumter Junction | Populated Place | 27 | Sumter | 33 50 08 N | 080 33 57 W |
| Sumter Municipal Airport | Airport | 54 | Sumter | 33 59 42 N | 080 21 40 W |
| Sumter National Forest | Forest | 165 | Greenwood | 34 00 01 N | 082 15 00 W |
| Sumter National Forest Lake | Reservoir | 360 | Oconee | 34 55 48 N | 083 04 12 W |
| Sumter Post Office | Post Office | 52 | Sumter | 33 55 06 N | 080 20 30 W |
| Sumter School (historical) | School | 21 | Berkeley | 33 21 18 N | 079 57 27 W |
| Sumter School (historical) | School | 160 | Saluda | 33 54 49 N | 081 43 22 W |
| Sumter School (historical) | School | 161 | Saluda | 33 55 27 N | 081 45 25 W |
| Sumter Square Shopping Center | Locale | 53 | Sumter | 33 56 49 N | 080 22 19 W |
| Sumter Waterworks | Locale | 52 | Sumter | 33 56 05 N | 080 20 49 W |
| Sumters Landing | Locale | 36 | Sumter | 34 02 17 N | 080 35 59 W |
| Sun Down School (historical) | School | 28 | Berkeley | 33 10 21 N | 080 03 16 W |
| Sun View Lake | Reservoir | 65 | Richland | 33 58 01 N | 080 54 43 W |
| Sun View Lake D-0579 Dam | Dam | 202 | Richland | 34 58 01 N | 080 54 41 W |