| distance | reference number | name | latitude | longitude |
| 30.0 | 3136 | Trout River, Sherwood Forest, Florida | 30.42 | -81.7283 |
| 31.6 | 792 | Doctors Lake, Peoria Point, Florida | 30.12 | -81.7583 |
| 31.6 | 2141 | Ortega River Entrance, Florida | 30.2783 | -81.705 |
| 31.7 | 2534 | Ribault River, Trout River, Lake Forest, Florida | 30.3983 | -81.6983 |
| 32.6 | 266 | Black Creek, S.C.L. RR. bridge, Florida | 30.08 | -81.7617 |
| 33.6 | 1358 | I-295 bridge (west end), Florida | 30.1917 | -81.6917 |
| 33.6 | 1359 | I-295 Bridge (west end), St. Johns River, Florida | 30.1917 | -81.6917 |
| 33.9 | 1866 | Moncrief Creek entrance, Trout River, Florida | 30.3917 | -81.6617 |
| 33.9 | 2130 | Orange Park Landing, Orange Park, St. Johns River, | 30.1683 | -81.695 |
| 34.1 | 1736 | Main Street Bridge, Jacksonville, Florida | 30.32 | -81.6583 |
| 34.1 | 1737 | Main Street Bridge, St. Johns River, Florida | 30.32 | -81.6583 |
| 34.4 | 1517 | Kings Ferry, St. Marys River, Florida | 30.7867 | -81.84 |
| 34.7 | 2268 | Piney Point, St. Johns River, Florida | 30.2283 | -81.6633 |
| 35.3 | 489 | Cedar Heights, Broward River, St. Johns River, Flor | 30.4367 | -81.6417 |
| 35.3 | 2243 | Phoenix Park, Florida | 30.3833 | -81.6367 |
| 36.0 | 1406 | Jacksonville, Navy Fuel Depot, St. Johns River, Flo | 30.4 | -81.6267 |
| 36.3 | 1686 | Longbranch (USCOE dredge depot), St Johns River, Fl | 30.36 | -81.62 |
| 36.3 | 1675 | Long Branch, Jacksonville, Florida | 30.3583 | -81.62 |
| 36.3 | 295 | Boggy Creek, 2 mi. above entrance, St. Marys River, | 30.5883 | -81.6633 |
| 37.0 | 1650 | Little Pottsburg Creek, St. Johns River, Florida | 30.31 | -81.61 |
| 37.2 | 1656 | Little St. Marys River, Florida | 30.7317 | -81.7267 |
| 38.2 | 1445 | Julington Creek, Florida | 30.135 | -81.63 |
| 39.1 | 1198 | Halfmoon Island, highway bridge, St. Marys River, F | 30.575 | -81.6083 |
| 40.0 | 1848 | Mink Creek entrance, St. Marys River, Florida | 30.5367 | -81.5817 |
| 40.0 | 732 | Dame Point, Florida | 30.3867 | -81.5583 |