| distance | reference number | name | latitude | longitude |
| 19.7 | 184 | Bay Waveland Yacht Club, Bay St. Louis, Mississippi | 30.325 | -89.325 |
| 19.7 | 2922 | St. Louis Bay entrance, Mississippi | 30.325 | -89.325 |
| 20.0 | 2209 | Pearlington, Pearl River, Louisiana | 30.24 | -89.615 |
| 20.2 | 3279 | Waveland, Mississipi Sound, Mississippi | 30.2817 | -89.3667 |
| 20.2 | 3280 | Waveland, Mississippi | 30.2817 | -89.3667 |
| 23.0 | 2597 | Route 433, Bayou BonFouca, Louisiana | 30.2717 | -89.7933 |
| 30.5 | 1182 | Gulfport, Gulfport Harbor, Mississippi | 30.36 | -89.0817 |
| 32.7 | 481 | Cat Island, Mississippi | 30.2317 | -89.1167 |
| 32.8 | 1136 | Grand Pass, Mississippi | 30.1267 | -89.2217 |
| 33.7 | 530 | Chef Menteur, Chef Menteur Pass, Louisiana | 30.065 | -89.8 |
| 38.5 | 3048 | Tchefuncta River, Lake Pontchartrain, Louisiana | 30.3783 | -90.16 |
| 39.7 | 258 | Biloxi, Biloxi Bay, Mississippi | 30.4117 | -88.9033 |
| 40.9 | 1823 | Michoud Substation, ICWW, Louisiana | 30.0067 | -89.9367 |
| 41.1 | 2186 | Paris Road Bridge, Mississippi River Delta, Louisia | 30 | -89.9333 |
| 42.6 | 2766 | Shell Beach, Lake Borgne, Louisiana | 29.8683 | -89.6733 |
| 42.7 | 257 | Biloxi (Cadet Point), Biloxi Bay, Mississippi | 30.39 | -88.8567 |
| 46.1 | 2096 | Ocean Springs, Mississippi | 30.3917 | -88.7983 |
| 46.9 | 1968 | New Canal USCG station, Lake Pontchartrain, Louisia | 30.0267 | -90.1133 |
| 46.9 | 1969 | New Canal USCG station, Lake Pontchartrain, Louisia | 30.0267 | -90.1133 |
| 51.2 | 507 | Chandeleur Light, Louisiana | 30.05 | -88.8667 |
| 56.4 | 1320 | Horn Island, Mississippi | 30.2383 | -88.6667 |
| 56.4 | 1321 | Horn Island, Mississippi Sound, Mississippi | 30.2383 | -88.6667 |
| 58.2 | 853 | East Bank 1, Norco, Bayou Labranche, Louisiana | 30.05 | -90.3683 |
| 58.2 | 177 | Bay Gardene, Louisiana | 29.5983 | -89.6183 |
| 60.1 | 2193 | Pascagoula NOAA Lab, Pascagoula River, Mississippi | 30.3583 | -88.5667 |