| distance | reference number | name | latitude | longitude |
| 43.3 | 240 | Biddeford, Saco River, Maine | 43.4917 | -70.4467 |
| 44.7 | 1013 | Fore River, Maine | 43.6417 | -70.285 |
| 45.3 | 2443 | Presumpscot River Bridge, Maine | 43.69 | -70.2467 |
| 45.3 | 123 | Back Cove, Maine | 43.6833 | -70.25 |
| 45.5 | 2111 | Old Orchard Beach, Maine | 43.5167 | -70.3667 |
| 46.2 | 2429 | Portland, Casco Bay, Maine | 43.6567 | -70.2467 |
| 46.5 | 959 | Falmouth Foreside, Maine | 43.7317 | -70.2033 |
| 47.3 | 407 | Camp Ellis, Saco River Entrance, Maine | 43.4617 | -70.3817 |
| 47.5 | 2445 | Prince Point, Maine | 43.7617 | -70.1733 |
| 48.2 | 3292 | Wells, Webhannet River, Maine | 43.32 | -70.5633 |
| 48.2 | 3293 | Wells, Webhannet River, Maine (sub) | 43.32 | -70.5633 |
| 48.3 | 665 | Cow Island, Maine | 43.69 | -70.19 |
| 48.3 | 1149 | Great Diamond Island, Maine | 43.67 | -70.2 |
| 48.7 | 1488 | Kennebunkport, Maine | 43.3583 | -70.4767 |
| 48.7 | 2208 | Peaks Island, Maine | 43.655 | -70.2 |
| 49.1 | 716 | Cushing Island, Maine | 43.645 | -70.1983 |
| 49.3 | 2428 | Portland Head Light, Maine | 43.6233 | -70.2067 |
| 49.5 | 1678 | Long Island, Maine | 43.69 | -70.1683 |
| 49.6 | 808 | Doyle Point, Maine | 43.7517 | -70.14 |
| 49.8 | 447 | Cape Porpoise, Maine | 43.3667 | -70.4317 |
| 50.2 | 1148 | Great Chebeague Island, Maine | 43.7217 | -70.1417 |
| 50.4 | 2864 | South Freeport, Maine | 43.82 | -70.1033 |
| 50.5 | 3199 | Vaill Island, Maine | 43.6767 | -70.155 |
| 50.7 | 807 | Dover, Piscataqua River, Cocheco River, New Hampshi | 43.1983 | -70.8683 |
| 51.4 | 2637 | Salmon Falls River entrance, Piscataqua River, New | 43.19 | -70.825 |