| distance | reference number | name | latitude | longitude |
| 24.0 | 216 | Belfast, Penobscot River, Maine | 44.4267 | -69.005 |
| 24.1 | 3373 | Winterport, Penobscot River, Maine | 44.6367 | -68.8417 |
| 25.7 | 2673 | Sandy Point, Penobscot River, Maine | 44.6717 | -68.805 |
| 27.3 | 142 | Bangor, Maine | 44.795 | -68.7717 |
| 27.3 | 144 | Bangor, Penobscot River, Maine | 44.795 | -68.7717 |
| 27.8 | 368 | Bucksport, Penobscot River, Maine | 44.5717 | -68.8017 |
| 31.0 | 1174 | Gross Point, Eastern Channel, Penobscot River, Main | 44.5367 | -68.7583 |
| 34.1 | 475 | Castine, Penobscot Bay, Maine | 44.3867 | -68.7967 |
| 40.0 | 2568 | Rockland, Maine | 44.105 | -69.1017 |
| 40.0 | 2569 | Rockland, Penobscot River, Maine | 44.105 | -69.1017 |
| 41.1 | 3248 | Waldoboro, Medomak River, Maine | 44.0933 | -69.3767 |
| 41.4 | 3078 | Thomaston, St. George River, Maine | 44.0717 | -69.1817 |
| 42.0 | 2465 | Pulpit Harbor, North Haven Island, Penobscot Bay, M | 44.15 | -68.8833 |
| 42.5 | 1644 | Little Deer Isle, Penobscot Bay, Maine | 44.2917 | -68.6933 |
| 43.5 | 2034 | North Haven, Penobscot Bay, Maine | 44.1267 | -68.8733 |
| 45.0 | 284 | Blue Hill Harbor, Maine | 44.4083 | -68.5633 |
| 45.7 | 1441 | Jones Neck, Medomak River, Maine | 44.015 | -69.38 |
| 46.4 | 2146 | Otis Cove, Maine | 43.9867 | -69.2367 |
| 47.5 | 729 | Damariscotta River, Newcastle, Maine | 44.0333 | -69.5367 |
| 47.7 | 3052 | Tenants Harbor, Maine | 43.965 | -69.2167 |
| 47.9 | 1060 | Friendship Harbor, Maine | 43.97 | -69.3417 |
| 48.5 | 499 | Center Harbor, Penobscot Bay, Maine | 44.2633 | -68.5867 |
| 48.7 | 2763 | Sheepscot River, Sheepscot (below rapids), Maine | 44.05 | -69.6183 |
| 48.8 | 3228 | Vinalhaven, Vinalhaven Island, Penobscot Bay, Maine | 44.0433 | -68.84 |
| 49.4 | 1920 | Muscongus Harbor, Muscongus Sound, Maine | 43.9667 | -69.4417 |