| distance | reference number | name | latitude | longitude |
| 1.0 | 517 | Charleston, Cooper River Entrance, South Carolina | 32.7817 | -79.925 |
| 1.3 | 2854 | South Ashley Bridge, Ashley River, South Carolina | 32.7833 | -79.9567 |
| 2.5 | 2789 | Shipyard Creek, 0.8 mile above entrance., Charlesto | 32.8333 | -79.95 |
| 2.7 | 3258 | Wappoo Creek, highway bridge, Ashley River, South C | 32.7667 | -79.9733 |
| 2.8 | 1284 | Hobcaw Point, Wando River, South Carolina | 32.8217 | -79.9 |
| 2.8 | 820 | Duck Island, Ashley River, South Carolina | 32.83 | -79.9667 |
| 3.0 | 1411 | James Island Creek, 1 mi. above ent., Ashley River, | 32.745 | -79.9483 |
| 3.3 | 2780 | Shem Creek, Charleston Harbor, South Carolina | 32.7933 | -79.8817 |
| 3.4 | 1025 | Fort Johnson, Charleston Harbor, South Carolina | 32.7517 | -79.8983 |
| 3.9 | 655 | Cosgrove Bridge, Ashley River, South Carolina | 32.835 | -79.9867 |
| 4.0 | 593 | Clouter Creek, south entrance, Cooper River, South | 32.86 | -79.9383 |
| 4.3 | 914 | Elliott Cut entrance, Stono River, South Carolina | 32.7633 | -80.0017 |
| 4.4 | 1038 | Fort Sumter, Charleston Harbor, South Carolina | 32.7533 | -79.8767 |
| 5.1 | 3072 | The Cove, Fort Moultrie, Charleston Harbor, South C | 32.7633 | -79.8567 |
| 5.7 | 1360 | I-526 bridge, Ashley River, South Carolina | 32.8367 | -80.0217 |
| 5.8 | 228 | Ben Sawyer Bridge, ICWW, South Carolina | 32.7733 | -79.8417 |
| 6.4 | 2988 | Sullivans Island (outer coast), South Carolina | 32.7667 | -79.8333 |
| 6.7 | 2060 | Nowell Creek, Wando River, South Carolina | 32.9 | -79.9 |
| 6.8 | 592 | Clouter Creek, north entrance, Cooper River, South | 32.9067 | -79.935 |
| 7.1 | 1126 | Goose Creek entrance, Cooper River, South Carolina | 32.9117 | -79.9533 |
| 7.2 | 1009 | Folly Creek, Hwy. 171 bridge, South Carolina | 32.675 | -79.9517 |
| 7.5 | 1012 | Folly River, north, Folly Island, South Carolina | 32.67 | -79.9167 |
| 7.6 | 330 | Breach Inlet, Isle of Palms, South Carolina | 32.7767 | -79.8117 |
| 7.6 | 810 | Drayton, Bee's Ferry, Ashley River, South Carolina | 32.8483 | -80.0517 |
| 7.7 | 2667 | Sandblasters, Pennys Creek, Stono River, South Caro | 32.77 | -80.0633 |