| distance | reference number | name | latitude | longitude |
| 50.0 | 523 | Chassahowitzka River, Florida | 28.715 | -82.5767 |
| 50.0 | 524 | Chassahowitzka, Florida | 28.715 | -82.5767 |
| 52.7 | 1202 | Halls River Bridge, Halls River, Florida | 28.8 | -82.6033 |
| 52.7 | 1203 | Halls River Bridge, Homosassa River, Florida | 28.8 | -82.6033 |
| 53.4 | 1426 | Johns Island, Chassahowitzka Bay, Florida | 28.6917 | -82.6383 |
| 53.4 | 1428 | Johns Island, Florida | 28.6917 | -82.6383 |
| 53.4 | 187 | Bayport, Florida | 28.5333 | -82.65 |
| 54.2 | 1773 | Mason Creek, Florida | 28.7617 | -82.6383 |
| 54.2 | 1774 | Mason Creek, Homosassa Bay, Florida | 28.7617 | -82.6383 |
| 54.3 | 1259 | Hernando Beach, Rocky Creek, Little Pine I. Bay, Fl | 28.4867 | -82.6617 |
| 54.4 | 700 | Crystal River, Kings Bay, Florida | 28.8983 | -82.5983 |
| 54.4 | 701 | Crystal River, Kings Bay, Florida (sub) | 28.8983 | -82.5983 |
| 55.0 | 93 | Aripeka, Hammock Creek, Florida | 28.4333 | -82.6683 |
| 55.4 | 702 | CSX Rockport, Mckay Bay Entrance, Florida | 27.9133 | -82.425 |
| 55.4 | 1799 | McKay Bay entrance, Florida | 27.9133 | -82.425 |
| 55.7 | 3289 | Welaka, Florida | 29.4767 | -81.675 |
| 55.7 | 3290 | Welaka, St. Johns River, Florida | 29.4767 | -81.675 |
| 56.1 | 2217 | Pendola Point, Hillsborough Bay, Florida | 27.8983 | -82.4267 |
| 56.1 | 786 | Dixie Bay, Florida | 28.8817 | -82.635 |
| 56.1 | 787 | Dixie Bay, Salt River, Crystal Bay, Florida | 28.8817 | -82.635 |
| 56.3 | 2160 | Ozello, Florida | 28.825 | -82.6583 |
| 56.3 | 2161 | Ozello, St. Martin's River, Florida | 28.825 | -82.6583 |
| 56.7 | 1277 | Hillsborough Bay, Davis Island, Tampa Bay, Florida | 27.9083 | -82.4517 |
| 56.8 | 3160 | Twin Rivers Marina, Crystal River, Florida | 28.905 | -82.6383 |
| 56.8 | 3161 | Twin Rivers Marina, Florida | 28.905 | -82.6383 |