Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Newington Elementary School | School | 16 | Dorchester | 32 59 18 N | 080 12 24 W |
| Newington Plantation | Populated Place | 23 | Dorchester | 32 59 06 N | 080 12 19 W |
| Norman Landing | Populated Place | 8 | Dorchester | 32 59 05 N | 080 24 30 W |
| Oak Knoll Estates (subdivision) | Populated Place | 28 | Dorchester | 33 00 05 N | 080 10 20 W |
| Oak Villa Church (historical) | Church | 29 | Dorchester | 33 09 14 N | 080 37 39 W |
| Oak Villa School | School | 25 | Dorchester | 33 09 20 N | 080 37 43 W |
| Oakbrook | Populated Place | 9 | Dorchester | 32 57 31 N | 080 10 19 W |
| Oakbrook Square Shopping Center | Locale | 11 | Dorchester | 32 57 12 N | 080 09 54 W |
| Oakdale Estates | Populated Place | 21 | Dorchester | 32 59 46 N | 080 12 47 W |
| Oakmont | Populated Place | 11 | Dorchester | 32 57 56 N | 080 08 40 W |
| Old Fort Dorchester | Locale | 7 | Dorchester | 32 56 50 N | 080 10 13 W |
| Old Fort Dorchester State Historical Park | Park | 12 | Dorchester | 32 56 53 N | 080 10 13 W |
| Old Fort Estates | Populated Place | 19 | Dorchester | 32 57 28 N | 080 07 48 W |
| Old Saint George | Populated Place | 28 | Dorchester | 33 10 17 N | 080 36 44 W |
| Old Saint George Church | Church | 27 | Dorchester | 33 10 14 N | 080 36 48 W |
| Orchard Hill | Populated Place | 22 | Dorchester | 33 01 32 N | 080 13 21 W |
| Palmetto Park (subdivision) | Populated Place | 31 | Dorchester | 33 02 14 N | 080 10 24 W |
| Paper Maker Hunt Club | Locale | 6 | Dorchester | 32 52 57 N | 080 14 35 W |
| Pecan Grove | Populated Place | 23 | Dorchester | 33 01 25 N | 080 13 51 W |
| Pepperidge | Populated Place | 11 | Dorchester | 32 55 36 N | 080 04 59 W |
| Pine Forest Estates (subdivision) | Populated Place | 26 | Dorchester | 33 00 14 N | 080 12 54 W |
| Pine Forest School | School | 31 | Dorchester | 33 13 59 N | 080 35 36 W |
| Pine Grove Church | Church | 18 | Dorchester | 33 01 13 N | 080 20 38 W |
| Pine Grove School | School | 26 | Dorchester | 33 08 39 N | 080 33 52 W |
| Pine Hill School (historical) | School | 16 | Dorchester | 33 01 49 N | 080 15 21 W |
| Pineforest Inn (subdivision) | Populated Place | 24 | Dorchester | 33 00 28 N | 080 11 46 W |
| Pinehill | Populated Place | 23 | Dorchester | 33 02 29 N | 080 13 53 W |
| Pineland Branch | Stream | | Dorchester | 33 09 46 N | 080 29 45 W |
| Plantation Center Shopping Center | Locale | 13 | Dorchester | 32 54 51 N | 080 06 27 W |
| Plantation Ridge | Populated Place | 14 | Dorchester | 32 57 19 N | 080 09 12 W |
| Platt Branch | Stream | | Dorchester | 33 03 05 N | 080 17 23 W |
| Polk Swamp | Stream | | Dorchester | 33 03 31 N | 080 30 26 W |
| Poorly Branch | Stream | | Dorchester | 33 05 39 N | 080 27 05 W |
| Powderhorn Creek | Stream | | Dorchester | 33 04 25 N | 080 23 56 W |
| Pregnall | Populated Place | 26 | Dorchester | 33 09 23 N | 080 27 52 W |
| Pregnall School (historical) | School | 26 | Dorchester | 33 09 38 N | 080 28 24 W |
| Proctor Cemetery | Cemetery | 26 | Dorchester | 33 07 48 N | 080 33 38 W |
| Quail Arbor | Populated Place | 21 | Dorchester | 32 59 13 N | 080 11 09 W |
| Railroad Pond | Reservoir | 26 | Dorchester | 33 09 43 N | 080 25 29 W |
| Railroad Pond Dam D-2548 | Dam | 26 | Dorchester | 33 09 43 N | 080 25 29 W |
| Raven Hill | Summit | 5 | Dorchester | 32 52 19 N | 080 14 37 W |
| Reeves Cemetery | Cemetery | 7 | Dorchester | 32 53 47 N | 080 23 05 W |
| Reevesville | Populated Place | 33 | Dorchester | 33 12 21 N | 080 38 52 W |
| Reevesville Baptist Church | Church | 32 | Dorchester | 33 12 27 N | 080 38 43 W |
| Ridgeville | Populated Place | 23 | Dorchester | 33 05 45 N | 080 18 55 W |
| Ridgeville Baptist Church | Church | 23 | Dorchester | 33 05 44 N | 080 19 04 W |
| Ridgeville Lookout Tower | Tower | 20 | Dorchester | 33 06 41 N | 080 17 49 W |
| Rivens Backwater | Swamp | 3 | Dorchester | 32 52 01 N | 080 16 03 W |
| Robynwyn (subdivision) | Populated Place | 31 | Dorchester | 33 02 11 N | 080 11 02 W |
| Rollings Elementary School | School | 25 | Dorchester | 33 00 38 N | 080 10 55 W |
| Rosehill (subdivision) | Populated Place | 24 | Dorchester | 33 00 12 N | 080 11 17 W |
| Rosinville | Populated Place | 28 | Dorchester | 33 15 17 N | 080 31 39 W |
| Rosom Hill | Summit | 15 | Dorchester | 32 56 50 N | 080 17 27 W |
| Rosom Hill Cemetery | Cemetery | 14 | Dorchester | 32 56 32 N | 080 17 29 W |
| Round Savanna | Swamp | 5 | Dorchester | 32 56 06 N | 080 14 26 W |
| Rumph Cemetery | Cemetery | 28 | Dorchester | 33 05 03 N | 080 28 53 W |
| Rumphs Hill Creek | Stream | | Dorchester | 33 01 24 N | 080 17 13 W |
| Rumphs Pond | Reservoir | 27 | Dorchester | 33 05 25 N | 080 29 59 W |
| Rumphs Pond Dam D-2549 | Dam | 27 | Dorchester | 33 05 25 N | 080 29 59 W |
| Russell Lake Landing | Populated Place | 11 | Dorchester | 33 03 45 N | 080 27 24 W |
| Saint Daniels Church | Church | 27 | Dorchester | 33 12 12 N | 080 23 38 W |
| Saint George | Populated Place | 32 | Dorchester | 33 11 10 N | 080 34 32 W |
| Saint George Cemetery | Cemetery | 32 | Dorchester | 33 11 09 N | 080 34 32 W |
| Saint George Church | Church | 27 | Dorchester | 33 09 08 N | 080 33 08 W |
| Saint George Church Ruins | Church | 12 | Dorchester | 32 56 57 N | 080 10 13 W |
| Saint George City Hall | Building | 30 | Dorchester | 33 11 18 N | 080 34 31 W |
| Saint George Elementary School | School | 30 | Dorchester | 33 11 19 N | 080 34 27 W |
| Saint George High School | School | 31 | Dorchester | 33 11 41 N | 080 34 39 W |
| Saint George Lookout Tower | Tower | 27 | Dorchester | 33 10 36 N | 080 32 38 W |
| Saint George Municipal Airport | Airport | 25 | Dorchester | 33 11 44 N | 080 30 30 W |
| Saint George Post Office | Post Office | 31 | Dorchester | 33 11 14 N | 080 34 29 W |
| Saint James Cemetery | Cemetery | 30 | Dorchester | 33 11 51 N | 080 33 45 W |
| Saint James Church | Church | 29 | Dorchester | 33 13 60 N | 080 30 15 W |
| Saint Joans Church | Church | 32 | Dorchester | 33 06 35 N | 080 27 04 W |
| Saint Johns Catholic Church | Church | 23 | Dorchester | 33 00 58 N | 080 10 59 W |
| Saint Johns Church | Church | 23 | Dorchester | 33 04 18 N | 080 22 07 W |
| Saint Luke School (historical) | School | 19 | Dorchester | 33 05 51 N | 080 35 57 W |
| Saint Lukes Church | Church | 10 | Dorchester | 32 56 59 N | 080 12 27 W |
| Saint Lukes Church | Church | 19 | Dorchester | 33 05 49 N | 080 35 57 W |
| Saint Lukes Lutheran Church | Church | 23 | Dorchester | 33 01 07 N | 080 10 45 W |
| Saint Mark Church | Church | 26 | Dorchester | 33 08 25 N | 080 32 38 W |
| Saint Mark Church | Church | 34 | Dorchester | 33 14 34 N | 080 37 09 W |
| Saint Marks Cemetery | Cemetery | 21 | Dorchester | 33 07 11 N | 080 32 46 W |
| Saint Marks Church | Church | 26 | Dorchester | 33 09 36 N | 080 28 26 W |
| Saint Marys School (historical) | School | 25 | Dorchester | 33 11 03 N | 080 30 45 W |
| Saint Matthews Church | Church | 23 | Dorchester | 33 05 49 N | 080 32 57 W |
| Saint Matthews Church | Church | 32 | Dorchester | 33 12 23 N | 080 38 34 W |
| Saint Paul School (historical) | School | 24 | Dorchester | 33 12 10 N | 080 29 07 W |
| Saint Pauls Church | Church | 24 | Dorchester | 33 12 09 N | 080 29 07 W |
| Saint Pauls Episcopal Church | Church | 30 | Dorchester | 33 01 49 N | 080 11 16 W |
| Saint Peters School (historical) | School | 31 | Dorchester | 33 08 17 N | 080 37 42 W |
| Saint Stephens Reformed Episcopal Church | Church | 31 | Dorchester | 33 01 45 N | 080 10 44 W |
| Salem Church | Church | 32 | Dorchester | 33 08 21 N | 080 23 59 W |
| Salisbury Acres | Populated Place | 26 | Dorchester | 32 59 16 N | 080 11 43 W |
| Salters Cemetery | Cemetery | 19 | Dorchester | 32 57 54 N | 080 11 40 W |
| Sand Hill Church | Church | 6 | Dorchester | 32 53 28 N | 080 19 55 W |
| Sand Hill School (historical) | School | 6 | Dorchester | 32 53 28 N | 080 19 56 W |
| Sand Ridge Church (historical) | Church | 32 | Dorchester | 33 05 42 N | 080 28 47 W |
| Sand Ridge School (historical) | School | 26 | Dorchester | 33 05 02 N | 080 28 16 W |
| Sand Ridge School (historical) | School | 32 | Dorchester | 33 05 43 N | 080 28 46 W |
| Sawmill Branch | Stream | | Dorchester | 32 58 46 N | 080 12 37 W |
| Sawmill Terrace (subdivision) | Populated Place | 21 | Dorchester | 33 00 28 N | 080 10 29 W |
| SCE and G Ash Pond | Reservoir | 19 | Dorchester | 33 04 19 N | 080 37 11 W |
| SCE and G Ash Pond Dam D-2555 | Dam | 19 | Dorchester | 33 04 19 N | 080 37 11 W |
| School Number 82 | School | 38 | Dorchester | 33 12 48 N | 080 43 05 W |
| Schultz Lake | Lake | 4 | Dorchester | 32 58 21 N | 080 16 25 W |
| Scotch Range Estates | Populated Place | 16 | Dorchester | 33 00 60 N | 080 17 04 W |
| Scotts Creek | Stream | | Dorchester | 32 55 59 N | 080 18 35 W |
| Seigler Cemetery | Cemetery | 25 | Dorchester | 33 07 08 N | 080 34 37 W |
| Shady Grove Campground | Locale | 34 | Dorchester | 33 16 35 N | 080 35 45 W |