| distance | reference number | name | latitude | longitude |
| 0.9 | 2597 | Route 433, Bayou BonFouca, Louisiana | 30.2717 | -89.7933 |
| 10.1 | 2209 | Pearlington, Pearl River, Louisiana | 30.24 | -89.615 |
| 12.6 | 530 | Chef Menteur, Chef Menteur Pass, Louisiana | 30.065 | -89.8 |
| 18.6 | 1823 | Michoud Substation, ICWW, Louisiana | 30.0067 | -89.9367 |
| 18.9 | 2186 | Paris Road Bridge, Mississippi River Delta, Louisia | 30 | -89.9333 |
| 23.7 | 3048 | Tchefuncta River, Lake Pontchartrain, Louisiana | 30.3783 | -90.16 |
| 24.8 | 3279 | Waveland, Mississipi Sound, Mississippi | 30.2817 | -89.3667 |
| 24.8 | 3280 | Waveland, Mississippi | 30.2817 | -89.3667 |
| 25.0 | 1968 | New Canal USCG station, Lake Pontchartrain, Louisia | 30.0267 | -90.1133 |
| 25.0 | 1969 | New Canal USCG station, Lake Pontchartrain, Louisia | 30.0267 | -90.1133 |
| 25.2 | 2766 | Shell Beach, Lake Borgne, Louisiana | 29.8683 | -89.6733 |
| 27.4 | 184 | Bay Waveland Yacht Club, Bay St. Louis, Mississippi | 30.325 | -89.325 |
| 27.4 | 2922 | St. Louis Bay entrance, Mississippi | 30.325 | -89.325 |
| 34.6 | 1136 | Grand Pass, Mississippi | 30.1267 | -89.2217 |
| 37.8 | 853 | East Bank 1, Norco, Bayou Labranche, Louisiana | 30.05 | -90.3683 |
| 39.8 | 481 | Cat Island, Mississippi | 30.2317 | -89.1167 |
| 41.7 | 177 | Bay Gardene, Louisiana | 29.5983 | -89.6183 |
| 42.2 | 1182 | Gulfport, Gulfport Harbor, Mississippi | 30.36 | -89.0817 |
| 48.6 | 3295 | West Bank 1, Bayou Gauche, Louisiana | 29.7767 | -90.4183 |
| 52.2 | 1750 | Manilla, Barataria Bay, Mississippi River Delta, Lo | 29.4267 | -89.9767 |
| 53.2 | 258 | Biloxi, Biloxi Bay, Mississippi | 30.4117 | -88.9033 |
| 55.8 | 257 | Biloxi (Cadet Point), Biloxi Bay, Mississippi | 30.39 | -88.8567 |
| 56.4 | 507 | Chandeleur Light, Louisiana | 30.05 | -88.8667 |
| 58.0 | 2477 | Quatre Bayous Pass, Mississippi River Delta, Louisi | 29.31 | -89.8533 |
| 58.6 | 1375 | Independence Island, Barataria Bay, Louisiana | 29.31 | -89.9383 |