| Hammonds Pond Swamp | Middlesex, MA | 1.9 miles | SW |
| Salt Marsh | Middlesex, MA | 1.9 miles | NE |
| Back Bay Fens | Suffolk, MA | 2.4 miles | NE |
| Parker Street Swamp (historical) | Middlesex, MA | 3.9 miles | SW |
| Cold Spring Swamp (historical) | Middlesex, MA | 4.1 miles | SW |
| Milldam Marsh (historical) | Middlesex, MA | 4.1 miles | NE |
| Nahanton Street Swamp | Middlesex, MA | 4.7 miles | SW |
| Mystic River Marsh (historical) | Middlesex, MA | 4.9 miles | NE |
| Salt Marsh | Middlesex, MA | 5.3 miles | NE |
| Wellington Marsh | Middlesex, MA | 5.3 miles | NE |
| Salt Marsh | Middlesex, MA | 5.5 miles | NE |
| Neponset River Marshes | Norfolk, MA | 5.8 miles | SE |
| Squantum Marshes | Norfolk, MA | 6.3 miles | SE |
| Fowl Meadows | Norfolk, MA | 6.6 miles | SE |
| Richs Meadow Swamp | Middlesex, MA | 7.7 miles | NE |
| Blacks Creek Marshes | Norfolk, MA | 7.9 miles | SE |
| Great Meadows | Middlesex, MA | 7.9 miles | NW |
| Bryant Swamp | Middlesex, MA | 8.1 miles | NW |
| Belle Isle Inlet Marshes | Suffolk, MA | 8.1 miles | NE |
| Turkey Swamp | Middlesex, MA | 8.4 miles | NE |
| Town River Marshes | Norfolk, MA | 9 miles | SE |
| Fisher Meadow | Norfolk, MA | 9.3 miles | SW |
| Great Cedar Swamp | Norfolk, MA | 9.4 miles | SE |
| Diamond Creek Marshes | Suffolk, MA | 9.4 miles | NE |
| Rock Island Cove Marshes | Norfolk, MA | 9.5 miles | SE |
| Pines River Marshes | Suffolk, MA | 10.1 miles | NE |
| Reserve Pond | Norfolk, MA | 10.1 miles | SW |
| Chandler Swamp | Middlesex, MA | 10.4 miles | NW |
| Arnold Meadow | Norfolk, MA | 11 miles | SE |
| Kimballs Pond | Middlesex, MA | 11 miles | NE |
| Saugus River Marshes | Essex, MA | 11.1 miles | NE |
| Weymouth Fore River Marshes | Norfolk, MA | 11.4 miles | SE |
| Tophet Swamp | Middlesex, MA | 11.4 miles | NW |
| Broad Meadow | Norfolk, MA | 11.7 miles | SE |
| Long Meadow Swamp | Middlesex, MA | 11.8 miles | NW |
| Tomlins Swamp | Essex, MA | 12.5 miles | NE |
| Sedge Meadows | Middlesex, MA | 12.6 miles | NW |
| Bear Swamp | Norfolk, MA | 12.8 miles | SE |
| Pod Meadow | Middlesex, MA | 13.1 miles | NW |
| Bridge Brook Swamp | Middlesex, MA | 13.1 miles | NW |
| Weymouth Back River Marshes | Plymouth, MA | 13.2 miles | SE |
| Thoreaus Bog | Middlesex, MA | 13.5 miles | NW |
| Bear Swamp | Plymouth, MA | 13.8 miles | SE |
| Gulf Meadows | Middlesex, MA | 14 miles | NW |
| Cold Brook Meadow | Middlesex, MA | 14.2 miles | NW |
| Great Meadows | Middlesex, MA | 14.2 miles | NW |
| Concord River Swamp | Middlesex, MA | 14.3 miles | NW |
| Home Meadows | Plymouth, MA | 14.3 miles | SE |
| Sudbury River Swamp | Middlesex, MA | 14.8 miles | NW |
| Bedford Meadow | Middlesex, MA | 14.9 miles | NW |
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