| Jordan Swamp | Charles, MD | 7.4 miles | NW |
| Cypress Swamp | Calvert, MD | 9.4 miles | SE |
| Reed Marsh | Anne Arundel, MD | 12 miles | NE |
| Kerrick Swamp | Charles, MD | 12.8 miles | SW |
| Zekiah Swamp | Charles, MD | 13.5 miles | SW |
| Pages Swamp | Charles, MD | 14 miles | NW |
| Long Marsh | Anne Arundel, MD | 16.3 miles | NE |
| Newport Marsh | Charles, MD | 16.8 miles | SW |
| Fresh Marsh | Charles, MD | 17 miles | SW |
| The Swamp | Anne Arundel, MD | 17.5 miles | NE |
| West Creek Marsh | Anne Arundel, MD | 18.8 miles | NE |
| Shady Oaks Marsh | Anne Arundel, MD | 19 miles | NE |
| Normans Creek Marsh | Anne Arundel, MD | 19.3 miles | NE |
| Smith Creek Marsh | Anne Arundel, MD | 19.4 miles | NE |
| Scottown Marsh | Anne Arundel, MD | 19.7 miles | NE |
| Lerch Creek Marsh | Anne Arundel, MD | 20.1 miles | NE |
| Snug Harbor Marsh | Anne Arundel, MD | 20.6 miles | NE |
| Church Swamp | St. Mary's, MD | 21 miles | SW |
| Felicity Cove Marsh | Anne Arundel, MD | 21.2 miles | NE |
| Jack Creek Marsh | Anne Arundel, MD | 21.3 miles | NE |
| Popham Creek Marsh | Anne Arundel, MD | 21.5 miles | NE |
| Cutover Swamp | Anne Arundel, MD | 21.7 miles | NE |
| Horseshoe Bog | Anne Arundel, MD | 21.7 miles | NE |
| Variable Marsh | Anne Arundel, MD | 21.7 miles | NE |
| Scaffold Point Marsh | Anne Arundel, MD | 21.8 miles | NE |
| Cove Point Marsh | Calvert, MD | 21.9 miles | SE |
| The Mess | Anne Arundel, MD | 21.9 miles | NE |
| The Moss | Anne Arundel, MD | 22 miles | NE |
| Birds Mill Swamp | Anne Arundel, MD | 22 miles | NE |
| O'Neill Marsh | Anne Arundel, MD | 22.1 miles | NE |
| Wise Marsh | Charles, MD | 22.1 miles | SW |
| Cheston Point Marsh | Anne Arundel, MD | 22.1 miles | NE |
| Kirkpatrick Marsh | Anne Arundel, MD | 22.1 miles | NE |
| Scaffold Creek Marsh | Anne Arundel, MD | 22.1 miles | NE |
| Dyke Marsh | Fairfax, VA | 22.1 miles | NW |
| Cheston Creek Marshes | Anne Arundel, MD | 22.2 miles | NE |
| Hog Island Marsh | Anne Arundel, MD | 22.3 miles | NE |
| Muddy Creek Marsh | Anne Arundel, MD | 22.3 miles | NE |
| South Fork Muddy Creek Marsh | Anne Arundel, MD | 22.4 miles | NE |
| Cheston Marsh | Anne Arundel, MD | 22.5 miles | NE |
| North Fork Muddy Creek Marsh | Anne Arundel, MD | 22.5 miles | NE |
| Fox Marsh | Anne Arundel, MD | 22.6 miles | NE |
| Fox Point Marsh | Anne Arundel, MD | 22.6 miles | NE |
| Nose Marsh | Anne Arundel, MD | 22.6 miles | NE |
| O'Neill Island Marsh | Anne Arundel, MD | 22.6 miles | NE |
| Sand Point Marsh | Anne Arundel, MD | 22.6 miles | NE |
| Canninghouse Cove Marsh | Anne Arundel, MD | 22.7 miles | NE |
| Fox Creek Marsh | Anne Arundel, MD | 22.8 miles | NE |
| Bosuns Bluff Marsh | Anne Arundel, MD | 22.9 miles | NE |
| Dock Marsh | Anne Arundel, MD | 23 miles | NE |
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