| distance | reference number | name | latitude | longitude |
| 0.6 | 1411 | James Island Creek, 1 mi. above ent., Ashley River, | 32.745 | -79.9483 |
| 2.3 | 3258 | Wappoo Creek, highway bridge, Ashley River, South C | 32.7667 | -79.9733 |
| 2.9 | 2854 | South Ashley Bridge, Ashley River, South Carolina | 32.7833 | -79.9567 |
| 3.2 | 517 | Charleston, Cooper River Entrance, South Carolina | 32.7817 | -79.925 |
| 3.3 | 1025 | Fort Johnson, Charleston Harbor, South Carolina | 32.7517 | -79.8983 |
| 3.5 | 914 | Elliott Cut entrance, Stono River, South Carolina | 32.7633 | -80.0017 |
| 3.6 | 1009 | Folly Creek, Hwy. 171 bridge, South Carolina | 32.675 | -79.9517 |
| 4.4 | 1008 | Folly Beach, Folly River bridge, Folly Island, Sout | 32.6617 | -79.945 |
| 4.4 | 1012 | Folly River, north, Folly Island, South Carolina | 32.67 | -79.9167 |
| 4.6 | 1038 | Fort Sumter, Charleston Harbor, South Carolina | 32.7533 | -79.8767 |
| 4.8 | 3 | Abbapoola Creek entrance, Stono River, South Caroli | 32.6767 | -80.0067 |
| 5.2 | 1011 | Folly Island (outer coast), South Carolina | 32.65 | -79.9333 |
| 5.4 | 2780 | Shem Creek, Charleston Harbor, South Carolina | 32.7933 | -79.8817 |
| 5.8 | 820 | Duck Island, Ashley River, South Carolina | 32.83 | -79.9667 |
| 5.9 | 2789 | Shipyard Creek, 0.8 mile above entrance., Charlesto | 32.8333 | -79.95 |
| 5.9 | 3072 | The Cove, Fort Moultrie, Charleston Harbor, South C | 32.7633 | -79.8567 |
| 6.0 | 1284 | Hobcaw Point, Wando River, South Carolina | 32.8217 | -79.9 |
| 6.4 | 655 | Cosgrove Bridge, Ashley River, South Carolina | 32.835 | -79.9867 |
| 6.9 | 2831 | Snake Island, Stono River, South Carolina | 32.64 | -80.015 |
| 7.0 | 228 | Ben Sawyer Bridge, ICWW, South Carolina | 32.7733 | -79.8417 |
| 7.0 | 2667 | Sandblasters, Pennys Creek, Stono River, South Caro | 32.77 | -80.0633 |
| 7.3 | 2988 | Sullivans Island (outer coast), South Carolina | 32.7667 | -79.8333 |
| 7.4 | 2221 | Pennys Creek, west entrance, Stono River, South Car | 32.7683 | -80.07 |
| 7.4 | 1360 | I-526 bridge, Ashley River, South Carolina | 32.8367 | -80.0217 |
| 7.5 | 593 | Clouter Creek, south entrance, Cooper River, South | 32.86 | -79.9383 |