| Belfast Bay | |
|---|---|
 Passagassawakeag River emptying into Belfast Bay from U.S. Route 1 bridge | |
  Belfast Bay  Belfast Bay | |
 Penobscot Bay | |
| Location | Maine, United States |
| Coordinates | 44°24′42″N 68°57′57″W / 44.41167°N 68.96583°W, 44°25′41″N 69°00′07″W / 44.42806°N 69.00194°W[1] |
| River sources | Passagassawakeag River, Goose River |
| Ocean/sea sources | Atlantic Ocean |
| Settlements | Belfast, Maine |
Belfast Bay also known as Passagassawakeag Bay is an inlet of the Penobscot Bay, Gulf of Maine and Atlantic Ocean located by Belfast, Maine in south central Maine.
