| Salt Marsh | Middlesex, MA | 1.9 miles | SE |
| Wellington Marsh | Middlesex, MA | 2.7 miles | NE |
| Mystic River Marsh (historical) | Middlesex, MA | 2.7 miles | NE |
| Milldam Marsh (historical) | Middlesex, MA | 2.7 miles | NE |
| Back Bay Fens | Suffolk, MA | 2.7 miles | SE |
| Salt Marsh | Middlesex, MA | 3.1 miles | NE |
| Salt Marsh | Middlesex, MA | 3.6 miles | NE |
| Hammonds Pond Swamp | Middlesex, MA | 4.1 miles | SW |
| Cold Spring Swamp (historical) | Middlesex, MA | 5.3 miles | SW |
| Turkey Swamp | Middlesex, MA | 5.3 miles | NE |
| Great Meadows | Middlesex, MA | 5.3 miles | NW |
| Richs Meadow Swamp | Middlesex, MA | 5.5 miles | NE |
| Parker Street Swamp (historical) | Middlesex, MA | 6 miles | SW |
| Bryant Swamp | Middlesex, MA | 6.1 miles | NW |
| Nahanton Street Swamp | Middlesex, MA | 7 miles | SW |
| Belle Isle Inlet Marshes | Suffolk, MA | 7.2 miles | NE |
| Diamond Creek Marshes | Suffolk, MA | 7.6 miles | NE |
| Chandler Swamp | Middlesex, MA | 7.9 miles | NW |
| Kimballs Pond | Middlesex, MA | 8 miles | NE |
| Pines River Marshes | Suffolk, MA | 8.1 miles | NE |
| Squantum Marshes | Norfolk, MA | 8.2 miles | SE |
| Neponset River Marshes | Norfolk, MA | 8.3 miles | SE |
| Saugus River Marshes | Essex, MA | 8.9 miles | NE |
| Tophet Swamp | Middlesex, MA | 8.9 miles | NW |
| Long Meadow Swamp | Middlesex, MA | 9 miles | NW |
| Fowl Meadows | Norfolk, MA | 9.7 miles | SE |
| Blacks Creek Marshes | Norfolk, MA | 10 miles | SE |
| Tomlins Swamp | Essex, MA | 10.1 miles | NE |
| Town River Marshes | Norfolk, MA | 11.2 miles | SE |
| Rock Island Cove Marshes | Norfolk, MA | 11.4 miles | SE |
| Thoreaus Bog | Middlesex, MA | 11.7 miles | NW |
| Sedge Meadows | Middlesex, MA | 11.8 miles | NW |
| Fisher Meadow | Norfolk, MA | 11.9 miles | SW |
| Great Meadows | Middlesex, MA | 12.1 miles | NW |
| Concord River Swamp | Middlesex, MA | 12.1 miles | NW |
| Great Cedar Swamp | Norfolk, MA | 12.2 miles | SE |
| Reserve Pond | Norfolk, MA | 12.4 miles | SW |
| Bedford Meadow | Middlesex, MA | 12.5 miles | NW |
| Bridge Brook Swamp | Middlesex, MA | 12.5 miles | NW |
| Hundred Acre Meadow | Middlesex, MA | 12.5 miles | NE |
| Gulf Meadows | Middlesex, MA | 13 miles | NW |
| Cold Brook Meadow | Middlesex, MA | 13.1 miles | NW |
| Cedar Swamp | Middlesex, MA | 13.1 miles | NE |
| Pod Meadow | Middlesex, MA | 13.3 miles | SW |
| Sudbury River Swamp | Middlesex, MA | 13.3 miles | NW |
| Yellow Birch Swamp | Middlesex, MA | 13.4 miles | NW |
| Weymouth Fore River Marshes | Norfolk, MA | 13.5 miles | SE |
| Arnold Meadow | Norfolk, MA | 13.6 miles | SE |
| Thompsons Meadow | Essex, MA | 13.7 miles | NE |
| Great Swap | Middlesex, MA | 13.8 miles | NW |
|