| distance | reference number | name | latitude | longitude |
| 33.9 | 216 | Belfast, Penobscot River, Maine | 44.4267 | -69.005 |
| 36.6 | 3373 | Winterport, Penobscot River, Maine | 44.6367 | -68.8417 |
| 38.3 | 2673 | Sandy Point, Penobscot River, Maine | 44.6717 | -68.805 |
| 39.5 | 142 | Bangor, Maine | 44.795 | -68.7717 |
| 39.5 | 144 | Bangor, Penobscot River, Maine | 44.795 | -68.7717 |
| 40.1 | 368 | Bucksport, Penobscot River, Maine | 44.5717 | -68.8017 |
| 42.5 | 3248 | Waldoboro, Medomak River, Maine | 44.0933 | -69.3767 |
| 43.3 | 1174 | Gross Point, Eastern Channel, Penobscot River, Main | 44.5367 | -68.7583 |
| 45.4 | 475 | Castine, Penobscot Bay, Maine | 44.3867 | -68.7967 |
| 46.1 | 2568 | Rockland, Maine | 44.105 | -69.1017 |
| 46.1 | 2569 | Rockland, Penobscot River, Maine | 44.105 | -69.1017 |
| 46.2 | 3078 | Thomaston, St. George River, Maine | 44.0717 | -69.1817 |
| 46.4 | 2763 | Sheepscot River, Sheepscot (below rapids), Maine | 44.05 | -69.6183 |
| 46.4 | 729 | Damariscotta River, Newcastle, Maine | 44.0333 | -69.5367 |
| 47.2 | 1441 | Jones Neck, Medomak River, Maine | 44.015 | -69.38 |
| 48.1 | 2541 | Richmond, Kennebec River, Maine | 44.0883 | -69.7983 |
| 50.0 | 1920 | Muscongus Harbor, Muscongus Sound, Maine | 43.9667 | -69.4417 |
| 50.1 | 3375 | Wiscasset, Maine | 44 | -69.6667 |
| 50.1 | 1060 | Friendship Harbor, Maine | 43.97 | -69.3417 |
| 50.2 | 2146 | Otis Cove, Maine | 43.9867 | -69.2367 |
| 51.0 | 2465 | Pulpit Harbor, North Haven Island, Penobscot Bay, M | 44.15 | -68.8833 |
| 51.7 | 3052 | Tenants Harbor, Maine | 43.965 | -69.2167 |
| 52.4 | 2034 | North Haven, Penobscot Bay, Maine | 44.1267 | -68.8733 |
| 52.8 | 126 | Back River, Maine | 43.9583 | -69.685 |
| 52.8 | 730 | Damariscotta River, Walpole, Maine | 43.9333 | -69.58 |