| distance | reference number | name | latitude | longitude |
| 49.3 | 807 | Dover, Piscataqua River, Cocheco River, New Hampshi | 43.1983 | -70.8683 |
| 49.8 | 240 | Biddeford, Saco River, Maine | 43.4917 | -70.4467 |
| 50.6 | 2637 | Salmon Falls River entrance, Piscataqua River, New | 43.19 | -70.825 |
| 51.8 | 3292 | Wells, Webhannet River, Maine | 43.32 | -70.5633 |
| 51.8 | 3293 | Wells, Webhannet River, Maine (sub) | 43.32 | -70.5633 |
| 53.0 | 2111 | Old Orchard Beach, Maine | 43.5167 | -70.3667 |
| 53.6 | 1488 | Kennebunkport, Maine | 43.3583 | -70.4767 |
| 54.0 | 1013 | Fore River, Maine | 43.6417 | -70.285 |
| 54.0 | 407 | Camp Ellis, Saco River Entrance, Maine | 43.4617 | -70.3817 |
| 54.6 | 805 | Dover Point, Piscataqua River, New Hampshire | 43.1167 | -70.8333 |
| 55.0 | 123 | Back Cove, Maine | 43.6833 | -70.25 |
| 55.1 | 2443 | Presumpscot River Bridge, Maine | 43.69 | -70.2467 |
| 55.2 | 447 | Cape Porpoise, Maine | 43.3667 | -70.4317 |
| 55.8 | 2429 | Portland, Casco Bay, Maine | 43.6567 | -70.2467 |
| 56.9 | 959 | Falmouth Foreside, Maine | 43.7317 | -70.2033 |
| 57.0 | 2903 | Squamscott River RR. Bridge, Piscataqua River, New | 43.0533 | -70.9133 |
| 57.4 | 111 | Atlantic Heights, Piscataqua River, New Hampshire | 43.09 | -70.7667 |
| 58.1 | 1149 | Great Diamond Island, Maine | 43.67 | -70.2 |
| 58.2 | 2445 | Prince Point, Maine | 43.7617 | -70.1733 |
| 58.2 | 2727 | Seavey Island, Portsmouth Harbor, Maine (sub) | 43.0833 | -70.75 |
| 58.3 | 665 | Cow Island, Maine | 43.69 | -70.19 |
| 58.4 | 3412 | York Harbor, Maine | 43.1317 | -70.6417 |
| 58.4 | 2436 | Portsmouth, Portsmouth Harbor, New Hampshire | 43.0783 | -70.7517 |
| 58.4 | 2208 | Peaks Island, Maine | 43.655 | -70.2 |
| 58.6 | 2726 | Seavey Island, Portsmouth Harbor, Maine | 43.08 | -70.7417 |