Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Sunbar School (historical) | School | 100 | Darlington | 34 27 33 N | 080 02 44 W |
| Sundance | Populated Place | 235 | Spartanburg | 34 55 25 N | 081 50 27 W |
| Sunesac Lake | Reservoir | 65 | Lee | 34 18 31 N | 080 16 05 W |
| Sunesac Lake Dam D-2417 | Dam | 65 | Lee | 34 18 31 N | 080 16 05 W |
| Sunfish Creek | Stream | | Greenville | 35 03 44 N | 082 43 50 W |
| Sunfish Mountain | Summit | 883 | Greenville | 35 03 19 N | 082 44 40 W |
| Sunlight Community Center | Building | 68 | Orangeburg | 33 29 50 N | 080 51 31 W |
| Sunny Acres | Populated Place | 310 | Greenville | 34 52 23 N | 082 27 14 W |
| Sunny Acres | Populated Place | 248 | Pickens | 34 40 08 N | 082 47 57 W |
| Sunny Acres (subdivision) | Populated Place | 318 | Greenville | 34 58 35 N | 082 26 41 W |
| Sunny Acres Pond | Reservoir | 93 | Richland | 34 08 29 N | 080 58 33 W |
| Sunny Acres Rest Home | Building | 28 | Dillon | 34 16 12 N | 079 14 43 W |
| Sunny Brook | Populated Place | 129 | Aiken | 33 40 36 N | 081 48 46 W |
| Sunny Glen | Populated Place | 257 | Spartanburg | 34 56 40 N | 082 11 39 W |
| Sunny Hill Plantation | Locale | 140 | Kershaw | 34 22 05 N | 080 38 21 W |
| Sunny Hill Pond Dam Number One D-2523 | Dam | 78 | Kershaw | 34 17 25 N | 080 37 29 W |
| Sunny Hill Pond Dam Number Two D-2526 | Dam | 76 | Kershaw | 34 17 19 N | 080 37 35 W |
| Sunny Plain School | School | 114 | Calhoun | 33 42 32 N | 080 53 44 W |
| Sunny Side | Populated Place | 2 | Georgetown | 33 33 59 N | 079 01 40 W |
| Sunny Side Post Office (historical) | Post Office | 163 | Cherokee | 34 54 36 N | 081 30 09 W |
| Sunny Slopes | Populated Place | 319 | Greenville | 34 59 00 N | 082 27 10 W |
| Sunny Slopes Pond Number One Dam D-3368 | Dam | 270 | Spartanburg | 35 03 42 N | 081 48 35 W |
| Sunny Slopes Pond Number Two Dam D-3367 | Dam | 270 | Spartanburg | 35 03 24 N | 081 48 35 W |
| Sunny South School (historical) | School | 116 | Lexington | 33 53 56 N | 081 13 10 W |
| Sunnybrook Heights (subdivision) | Populated Place | 44 | Marlboro | 34 36 07 N | 079 40 39 W |
| Sunnydale Acres | Populated Place | 261 | Spartanburg | 35 02 00 N | 081 56 38 W |
| Sunnyhill | Populated Place | 80 | Kershaw | 34 17 21 N | 080 37 42 W |
| Sunnyside Acres | Populated Place | 228 | Anderson | 34 35 09 N | 082 40 14 W |
| Sunnyside Cemetery | Cemetery | 66 | Orangeburg | 33 29 53 N | 080 52 01 W |
| Sunnyside Church | Church | 145 | Lexington | 33 57 24 N | 081 31 52 W |
| Sunnyside Park | Park | 292 | Spartanburg | 34 56 23 N | 082 13 03 W |
| Sunnyside School | School | 35 | Sumter | 33 54 33 N | 080 03 55 W |
| Sunnyside School (historical) | School | 163 | Cherokee | 34 54 35 N | 081 30 09 W |
| Sunrise Acres | Populated Place | 190 | York | 34 54 40 N | 080 59 53 W |
| Sunrise Cemetery | Cemetery | 331 | Pickens | 34 53 06 N | 082 41 52 W |
| Sunrise Lake | Reservoir | 194 | Lancaster | 34 37 05 N | 080 40 12 W |
| Sunrise Point | Populated Place | 188 | York | 35 06 06 N | 081 03 14 W |
| Sunset | Populated Place | 310 | Pickens | 34 58 39 N | 082 47 56 W |
| Sunset Acres | Populated Place | 40 | Florence | 34 10 22 N | 079 49 49 W |
| Sunset Acres | Populated Place | 185 | Greenwood | 34 10 00 N | 082 07 09 W |
| Sunset Acres (subdivision) | Populated Place | 177 | York | 34 54 52 N | 081 03 10 W |
| Sunset Boulevard Church | Church | 95 | Lexington | 34 00 14 N | 081 06 27 W |
| Sunset Country Club | Locale | 49 | Sumter | 33 53 46 N | 080 22 25 W |
| Sunset Country Club | Locale | 46 | Sumter | 33 53 48 N | 080 22 44 W |
| Sunset Fishing Club (historical) | Locale | 36 | Richland | 33 53 01 N | 080 56 32 W |
| Sunset Forest | Populated Place | 286 | Greenville | 34 46 30 N | 082 19 49 W |
| Sunset Heights (subdivision) | Populated Place | 58 | Aiken | 33 29 45 N | 081 58 39 W |
| Sunset Hill Cemetery | Cemetery | 64 | Aiken | 33 29 51 N | 081 58 52 W |
| Sunset Homes | Populated Place | 56 | Sumter | 33 54 04 N | 080 23 01 W |
| Sunset Lake | Reservoir | 33 | Richland | 33 52 36 N | 080 55 15 W |
| Sunset Memorial Cemetery | Cemetery | 23 | Berkeley | 33 24 22 N | 079 54 39 W |
| Sunset Memorial Cemetery | Cemetery | 11 | Charleston | 32 55 49 N | 080 03 24 W |
| Sunset Memorial Church | Church | 76 | Aiken | 33 31 32 N | 081 51 03 W |
| Sunset Memorial Gardens | Cemetery | 256 | Spartanburg | 34 58 59 N | 081 53 16 W |
| Sunset Memorial Gardens | Cemetery | 165 | Union | 34 42 58 N | 081 34 15 W |
| Sunset Memorial Park | Cemetery | 43 | Marlboro | 34 36 31 N | 079 42 27 W |
| Sunset Memory Gardens | Cemetery | 89 | Aiken | 33 31 38 N | 081 51 02 W |
| Sunset Memory Gardens | Cemetery | 38 | Florence | 34 09 06 N | 079 49 09 W |
| Sunset Park Elementary School | School | 187 | York | 34 55 13 N | 081 02 52 W |
| Sunset Park School (historical) | School | 143 | Newberry | 34 14 48 N | 081 38 40 W |
| Sunset Shopping Center | Locale | 77 | Richland | 34 01 49 N | 081 03 18 W |
| Sunset Shores | Populated Place | 280 | Oconee | 34 44 13 N | 082 57 55 W |
| Sunshine Church | Church | 75 | Barnwell | 33 24 52 N | 081 13 24 W |
| Sunshine Church | Church | 229 | Spartanburg | 34 55 10 N | 081 56 27 W |
| Sunshine School (historical) | School | 80 | Barnwell | 33 24 17 N | 081 13 43 W |
| Sunshine School (historical) | School | 64 | Barnwell | 33 24 31 N | 081 12 59 W |
| Sunshine School (historical) | School | 119 | Chester | 34 37 54 N | 081 18 31 W |
| Sunview Lake | Reservoir | 202 | Richland | 34 58 01 N | 080 54 41 W |
| Sunway Knolls (subdivision) | Populated Place | 58 | Sumter | 33 56 30 N | 080 23 23 W |
| Supreme Court of South Carolina | Building | 95 | Richland | 34 00 07 N | 081 01 57 W |
| Supreme Forest | Populated Place | 295 | Greenville | 34 48 10 N | 082 26 35 W |
| Surf Golf and Beach Club | Locale | 8 | Horry | 33 49 53 N | 078 39 14 W |
| Surf Pines | Populated Place | 8 | Horry | 33 37 01 N | 078 59 23 W |
| Surfside Beach | Populated Place | 3 | Horry | 33 36 22 N | 078 58 23 W |
| Surfside Beach Post Office | Post Office | 8 | Horry | 33 36 51 N | 078 58 44 W |
| Surfside Beach Town Hall | Building | 8 | Horry | 33 36 46 N | 078 58 49 W |
| Surfside Fishing Pier | Locale | -3 | Horry | 33 36 16 N | 078 58 14 W |
| Surfside United Methodist Church | Church | 6 | Horry | 33 37 18 N | 078 58 14 W |
| Surfwood Shopping Center | Locale | 8 | Horry | 33 49 48 N | 078 40 34 W |
| Surprise Church | Church | 30 | Dorchester | 33 08 30 N | 080 22 59 W |
| Susan Jamison Grove School (historical) | School | 174 | Edgefield | 33 45 38 N | 081 53 10 W |
| Susan Thomas Shoals | Rapids | 161 | Spartanburg | 34 45 42 N | 081 56 43 W |
| Susan Union Church | Church | 37 | Aiken | 33 21 06 N | 081 51 55 W |
| Susannah Branch | Stream | | Newberry | 34 11 53 N | 081 29 02 W |
| Susie Barfield Pond Dam D-2531 | Dam | 122 | Kershaw | 34 16 49 N | 080 43 41 W |
| Susie Ebert Island | Island | 113 | Lexington | 34 06 16 N | 081 15 59 W |
| Susies Pond | Reservoir | 122 | Kershaw | 34 16 49 N | 080 43 41 W |
| Susybole Creek | Stream | | Chester | 34 47 19 N | 081 23 47 W |
| Sutton Bay | Swamp | 53 | Bamberg | 33 14 03 N | 081 05 17 W |
| Sutton Branch | Stream | | Lancaster | 34 44 28 N | 080 32 39 W |
| Sutton Cemetery | Cemetery | 17 | Williamsburg | 33 24 23 N | 079 46 14 W |
| Sutton Church | Church | 14 | Williamsburg | 33 24 27 N | 079 46 13 W |
| Sutton School (historical) | School | 17 | Williamsburg | 33 24 20 N | 079 46 21 W |
| Sutton Spring (historical) | Populated Place | 177 | York | 34 58 52 N | 081 17 29 W |
| Sutton Springs School (historical) | School | 223 | York | 35 00 05 N | 081 17 35 W |
| Suttons | Populated Place | 12 | Williamsburg | 33 23 39 N | 079 44 37 W |
| Suttons Branch | Stream | | Kershaw | 34 15 47 N | 080 45 11 W |
| Suttons Branch Church | Church | 124 | Kershaw | 34 17 03 N | 080 45 38 W |
| Swafford Vocational Center | School | 275 | Spartanburg | 35 07 22 N | 082 01 20 W |
| Swaford Creek | Stream | | Oconee | 34 51 21 N | 083 13 51 W |
| Swallow Savanna | Swamp | 48 | Allendale | 32 58 09 N | 081 19 17 W |
| Swallow Savanna Cemetery | Cemetery | 56 | Allendale | 32 59 35 N | 081 19 27 W |
| Swamp Branch | Stream | | Chesterfield | 34 38 18 N | 080 17 32 W |
| Swamp Fox | Populated Place | 15 | Berkeley | 33 26 26 N | 079 59 09 W |
| Swamp Fox Ranger Station | Building | 20 | Berkeley | 33 15 03 N | 079 57 45 W |
| Swamp Fox Ranger Station | Locale | 19 | Berkeley | 33 15 13 N | 079 57 44 W |
| Swamp Fox Trail | Trail | 12 | Berkeley | 33 03 37 N | 079 41 19 W |
| Swamp Fox Trailhead | Locale | 7 | Berkeley | 33 07 35 N | 079 48 22 W |
| Swamp Park | Park | 2 | Charleston | 32 52 43 N | 079 58 54 W |
| Swan Lake | Reservoir | 306 | Greenville | 34 55 30 N | 082 26 41 W |