Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Hampton Park | Park | 3 | Charleston | 32 48 01 N | 079 57 22 W |
| Hampton Park Baptist Church | Church | 4 | Charleston | 32 48 11 N | 079 57 05 W |
| Hampton Plantation | Locale | 5 | Charleston | 33 12 05 N | 079 26 07 W |
| Hampton Plantation State Park | Park | 6 | Charleston | 33 11 59 N | 079 26 27 W |
| Harbor River | Stream | | Charleston | 33 02 07 N | 079 32 11 W |
| Harbor View | Populated Place | 4 | Charleston | 32 45 25 N | 079 57 20 W |
| Harbor View Elementary School | School | 3 | Charleston | 32 45 24 N | 079 58 07 W |
| Harbor View Shopping Center | Locale | 1 | Charleston | 32 44 31 N | 079 56 09 W |
| Harbor Woods | Populated Place | 2 | Charleston | 32 44 08 N | 079 56 04 W |
| Harborgate (subdivision) | Populated Place | 3 | Charleston | 32 47 46 N | 079 50 53 W |
| Harmon Field | Park | 2 | Charleston | 32 47 30 N | 079 57 13 W |
| Harrietta Plantation | Locale | 5 | Charleston | 33 10 10 N | 079 23 38 W |
| Harrison Acres (subdivision) | Populated Place | 8 | Charleston | 32 46 51 N | 080 00 24 W |
| Haulover Creek | Stream | | Charleston | 32 36 58 N | 080 07 04 W |
| Haut Gap Middle School | School | 10 | Charleston | 32 43 12 N | 080 04 37 W |
| Heathwood (subdivision) | Populated Place | 6 | Charleston | 32 48 01 N | 080 00 17 W |
| Hebrew Cemetery | Cemetery | 5 | Charleston | 32 47 24 N | 079 56 35 W |
| Hebron Church | Church | 9 | Charleston | 32 38 01 N | 080 08 57 W |
| Hellenic Community Center | Building | 4 | Charleston | 32 47 53 N | 079 56 56 W |
| Heritage (subdivision) | Populated Place | 2 | Charleston | 32 47 60 N | 079 51 09 W |
| Heron Island | Island | 0 | Charleston | 32 42 36 N | 079 55 45 W |
| Hibben United Methodist Church | Church | 1 | Charleston | 32 47 34 N | 079 52 16 W |
| Hibbens Ferry (historical) | Crossing | 2 | Charleston | 32 47 16 N | 079 53 09 W |
| Hibernian Hall | Building | 7 | Charleston | 32 46 38 N | 079 55 52 W |
| Hibernian Heights (subdivision) | Populated Place | 9 | Charleston | 32 49 39 N | 079 56 58 W |
| Hickory Bay | Bay | -3 | Charleston | 32 55 43 N | 079 38 01 W |
| Hickory Hall Plantation | Populated Place | 9 | Charleston | 32 50 04 N | 080 04 24 W |
| Hickory Hill | Populated Place | 10 | Charleston | 32 45 18 N | 080 06 01 W |
| Hickory Shadows (subdivision) | Populated Place | 3 | Charleston | 32 48 24 N | 079 51 20 W |
| High School of Charleston | School | 3 | Charleston | 32 47 06 N | 079 56 43 W |
| Highland Terrace (subdivision) | Populated Place | 12 | Charleston | 32 53 17 N | 080 01 19 W |
| Hillsdale Park | Park | 13 | Charleston | 32 56 12 N | 080 02 40 W |
| Hillside | Populated Place | 2 | Charleston | 32 47 49 N | 079 59 33 W |
| Hobcaw Creek | Stream | | Charleston | 32 49 36 N | 079 53 37 W |
| Hobcaw Plantation (historical) | Locale | 1 | Charleston | 32 49 16 N | 079 53 52 W |
| Hobcaw Point | Cape | -3 | Charleston | 32 49 33 N | 079 53 37 W |
| Hobcaw Point | Populated Place | 3 | Charleston | 32 49 13 N | 079 53 38 W |
| Hobcaw Yacht Club | Locale | -3 | Charleston | 32 49 18 N | 079 53 58 W |
| Hog Island | Island | 3 | Charleston | 32 47 39 N | 079 54 04 W |
| Hog Island Channel | Channel | -3 | Charleston | 32 47 02 N | 079 53 00 W |
| Hog Island Reach | Channel | -3 | Charleston | 32 48 09 N | 079 54 56 W |
| Holiday Acres | Populated Place | 6 | Charleston | 32 43 57 N | 079 55 50 W |
| Holland Island Creek | Stream | | Charleston | 32 40 40 N | 080 00 02 W |
| Hollywood | Populated Place | 13 | Charleston | 32 44 04 N | 080 14 30 W |
| Holmes Avenue Baptist Church | Church | 9 | Charleston | 32 52 39 N | 079 59 23 W |
| Holy Cross Cemetery | Cemetery | 5 | Charleston | 32 44 26 N | 079 54 52 W |
| Holy Trinity Church | Church | 6 | Charleston | 32 48 37 N | 079 53 23 W |
| Holy Trinity Episcopal Church | Church | 7 | Charleston | 32 46 28 N | 079 58 24 W |
| Holy Trinity Reformed Episcopal Church | Church | 5 | Charleston | 32 46 56 N | 079 56 26 W |
| Honey Hill | Populated Place | 4 | Charleston | 32 43 29 N | 079 56 35 W |
| Hoopstick Island | Island | 8 | Charleston | 32 42 25 N | 080 04 39 W |
| Hopewell Cemetery | Cemetery | 4 | Charleston | 32 50 22 N | 080 23 25 W |
| Hopewell Church | Church | 9 | Charleston | 32 48 16 N | 080 24 06 W |
| Horlbeck Creek | Stream | | Charleston | 32 52 31 N | 079 50 35 W |
| Horse Island | Island | 2 | Charleston | 32 35 09 N | 080 11 55 W |
| Horse Reach | Channel | 2 | Charleston | 32 47 06 N | 079 54 53 W |
| Horsebend Creek | Stream | | Charleston | 32 50 14 N | 079 43 48 W |
| Horsehead Creek | Gut | -3 | Charleston | 33 02 58 N | 079 23 12 W |
| Horsehead Island | Island | 1 | Charleston | 33 03 16 N | 079 24 05 W |
| Hughes Cemetery | Cemetery | 3 | Charleston | 32 48 21 N | 080 07 44 W |
| Humber Wood School (historical) | School | 6 | Charleston | 32 44 59 N | 080 07 12 W |
| Humbert Woods | Populated Place | 7 | Charleston | 32 44 37 N | 080 07 00 W |
| Hunley Park | Populated Place | 15 | Charleston | 32 53 33 N | 080 04 34 W |
| Hunley Park Elementary School | School | 15 | Charleston | 32 53 34 N | 080 04 24 W |
| Huntington Woods (subdivision) | Populated Place | 6 | Charleston | 32 49 12 N | 080 00 22 W |
| Huskum Corner Cross Roads | Populated Place | 7 | Charleston | 32 40 31 N | 080 03 01 W |
| Hut Creek | Stream | | Charleston | 32 41 04 N | 080 00 21 W |
| Hutton Plantation | Locale | 10 | Charleston | 32 41 06 N | 080 24 56 W |
| I'on Swamp | Swamp | 2 | Charleston | 32 59 07 N | 079 42 17 W |
| Immaculate Conception Roman Catholic Church | Church | 3 | Charleston | 32 47 40 N | 079 56 46 W |
| Immaculate Conception School | School | 5 | Charleston | 32 47 26 N | 079 56 33 W |
| Indigo Point (subdivision) | Populated Place | 0 | Charleston | 32 46 44 N | 080 00 13 W |
| Inlet Creek | Stream | | Charleston | 32 46 41 N | 079 48 47 W |
| Interchange 205 | Crossing | 15 | Charleston | 32 58 45 N | 080 04 37 W |
| Interchange 208 | Crossing | 10 | Charleston | 32 56 23 N | 080 03 00 W |
| Interchange 209 | Crossing | 15 | Charleston | 32 56 05 N | 080 02 51 W |
| Interchange 211 | Crossing | 16 | Charleston | 32 54 13 N | 080 01 25 W |
| Interchange 213 | Crossing | 9 | Charleston | 32 52 20 N | 080 00 41 W |
| Interchange 215 | Crossing | 8 | Charleston | 32 51 11 N | 079 59 15 W |
| Interchange 216 | Crossing | 3 | Charleston | 32 50 38 N | 079 58 49 W |
| Interchange 217 | Crossing | 6 | Charleston | 32 50 15 N | 079 57 45 W |
| Interchange 218 | Crossing | 3 | Charleston | 32 50 01 N | 079 57 27 W |
| Interchange 219 | Crossing | 7 | Charleston | 32 48 59 N | 079 57 16 W |
| Interchange 220 | Crossing | 5 | Charleston | 32 48 43 N | 079 57 05 W |
| Interchange 221 | Crossing | 3 | Charleston | 32 47 51 N | 079 56 34 W |
| Isinglass Swamp | Swamp | 2 | Charleston | 32 43 16 N | 080 06 59 W |
| Island Cut | Channel | 0 | Charleston | 33 04 29 N | 079 26 54 W |
| Island of Palms | Island | 2 | Charleston | 32 47 58 N | 079 45 45 W |
| Island of Palms | Populated Place | 0 | Charleston | 32 47 25 N | 079 47 03 W |
| Island Palm Marina | Locale | -5 | Charleston | 32 48 21 N | 079 45 42 W |
| Isle of Palms | Populated Place | 0 | Charleston | 32 47 13 N | 079 47 41 W |
| Isle of Palms Baptist Church | Church | 1 | Charleston | 32 47 32 N | 079 46 49 W |
| Isle of Palms City Hall | Building | 1 | Charleston | 32 47 23 N | 079 47 13 W |
| Isle of Palms Post Office | Post Office | 4 | Charleston | 32 47 08 N | 079 47 24 W |
| Isle of Palms Post Office (historical) | Post Office | 0 | Charleston | 32 47 13 N | 079 47 41 W |
| J E Beard Chapel | Church | 4 | Charleston | 32 47 38 N | 079 56 11 W |
| Jack Creek | Gut | 0 | Charleston | 32 55 22 N | 079 34 56 W |
| James B Edwards Elementary School | School | 6 | Charleston | 32 49 09 N | 079 51 14 W |
| James Island | Island | 3 | Charleston | 32 43 40 N | 079 57 20 W |
| James Island Creek | Stream | | Charleston | 32 45 38 N | 079 56 35 W |
| James Island High School | School | 6 | Charleston | 32 43 53 N | 079 56 02 W |
| James Island Middle School | School | 2 | Charleston | 32 43 59 N | 079 57 42 W |
| James Island Shopping Center | Locale | 6 | Charleston | 32 45 43 N | 079 58 37 W |
| James Island Yacht Club | Locale | 1 | Charleston | 32 45 15 N | 079 55 04 W |
| James Simons Elementary School | School | 4 | Charleston | 32 48 03 N | 079 56 58 W |
| Jamestown Estates | Populated Place | 2 | Charleston | 32 43 50 N | 079 58 17 W |
| Jane Edwards Elementary School | School | 11 | Charleston | 32 34 51 N | 080 18 00 W |
| Jeanette Creek | Bay | -3 | Charleston | 32 46 40 N | 079 51 12 W |
| Jehossee Island | Island | 1 | Charleston | 32 38 04 N | 080 22 24 W |
| Jenkins Orphanage | Locale | 7 | Charleston | 32 50 39 N | 079 59 46 W |