| distance | reference number | name | latitude | longitude |
| 4.1 | 504 | Champney Island, South Altamaha River, Georgia | 31.3333 | -81.4667 |
| 4.2 | 743 | Daymark 239, Mackay River, Georgia | 31.2167 | -81.4333 |
| 5.0 | 688 | Crispen Island, Turtle River, Georgia | 31.2167 | -81.55 |
| 5.3 | 1723 | Mackay River (ICWW), Georgia | 31.3 | -81.4 |
| 5.4 | 37 | Allied Chemical Corp. docks, Turtle River, Georgia | 31.1833 | -81.5167 |
| 5.4 | 775 | Dillard Creek, Turtle River, Georgia | 31.2333 | -81.5667 |
| 5.7 | 1049 | Frederica River, Georgia | 31.2167 | -81.4 |
| 6.7 | 735 | Darien, Darien River, Georgia | 31.3667 | -81.4333 |
| 6.8 | 373 | Buffalo River entrance, Turtle River, Georgia | 31.2167 | -81.5833 |
| 7.0 | 364 | Brunswick, East River, Georgia | 31.15 | -81.5 |
| 7.1 | 1050 | Frederick River Bridge, Georgia | 31.1667 | -81.4167 |
| 7.8 | 3085 | Threemile Cut entrance, Darien River, Georgia | 31.35 | -81.3833 |
| 8.6 | 1270 | Highway bridge, South Brunswick River, Georgia | 31.15 | -81.5667 |
| 9.2 | 1439 | Jones Creek entrance, Hampton River, Georgia | 31.3 | -81.3333 |
| 9.6 | 2936 | St. Simons Lighthouse, Georgia | 31.1317 | -81.3967 |
| 9.6 | 2937 | St. Simons Lighthouse, St. Simons Island, Georgia | 31.1317 | -81.3967 |
| 10.0 | 1438 | Jointer Island, Jointer Creek, Georgia | 31.1 | -81.5 |
| 10.0 | 227 | Below Spring Bluff, Little Satilla River, Georgia | 31.1667 | -81.6167 |
| 10.4 | 1210 | Hampton River entrance, Georgia | 31.2167 | -81.3167 |
| 10.7 | 3378 | Wolf Island, south end, Georgia | 31.3333 | -81.3167 |
| 10.8 | 2566 | Rockdedundy River (Daymark #185), Georgia | 31.3667 | -81.3333 |
| 11.2 | 1654 | Little Satilla River, 8 miles above mouth, Georgia | 31.1 | -81.5667 |
| 12.0 | 1653 | Little Satilla River, 2.5 miles above mouth, Georgi | 31.0667 | -81.5 |
| 13.0 | 1418 | Jekyll Island Marina, Jekyll Creek, Georgia | 31.0567 | -81.4233 |
| 13.6 | 1334 | Hudson Creek entrance, Georgia | 31.45 | -81.35 |