| Tripcellar Swamp | Harford, MD | 13.1 miles | SE |
| Big Marsh | Kent, MD | 18.3 miles | SE |
| Black Marsh | Baltimore, MD | 19.4 miles | SW |
| Gut Marsh | Kent, MD | 20.2 miles | SE |
| Yapp Marsh | Kent, MD | 20.9 miles | SE |
| Hines Pond Bog | Anne Arundel, MD | 24.7 miles | SW |
| Glen Burnie Bog (historical) | Anne Arundel, MD | 26.2 miles | SW |
| Main Creek Bog | Anne Arundel, MD | 27.2 miles | SW |
| Fresh Pond Bog | Anne Arundel, MD | 27.8 miles | SW |
| Cockeys Creek Bog | Anne Arundel, MD | 28.3 miles | SW |
| North Grays Creek Bog | Anne Arundel, MD | 28.6 miles | SW |
| South Grays Creek Bog | Anne Arundel, MD | 28.6 miles | SW |
| Blackhole Creek Bog | Anne Arundel, MD | 28.8 miles | SW |
| Shady Pond Bog | Anne Arundel, MD | 29.3 miles | SW |
| Eagle Hill Bog | Anne Arundel, MD | 29.3 miles | SW |
| Dill Road Bog | Anne Arundel, MD | 31 miles | SW |
| Cypress Creek Bog | Anne Arundel, MD | 31.3 miles | SW |
| Cypress Creek Savannah Bog | Anne Arundel, MD | 31.3 miles | SW |
| Sullivans Cove Bog | Anne Arundel, MD | 31.5 miles | SW |
| Gumbottom Bog | Anne Arundel, MD | 32.6 miles | SW |
| Deep Ditch Bog | Anne Arundel, MD | 34.4 miles | SW |
| Becks Pond | New Castle, DE | 37.5 miles | NE |
| Broad Creek Marsh | Anne Arundel, MD | 37.8 miles | SW |
| South River Headwaters Marsh | Anne Arundel, MD | 37.9 miles | SW |
| Island Marshes | Prince George's, MD | 38.4 miles | SW |
| Knowles Marshes | Prince George's, MD | 38.5 miles | SW |
| Saint George Barber Marsh | Anne Arundel, MD | 38.8 miles | SW |
| Flat Creek Marsh | Anne Arundel, MD | 39.5 miles | SW |
| Long Marsh | Caroline, MD | 40.4 miles | SE |
| Beards Creek Marsh | Anne Arundel, MD | 40.8 miles | SW |
| Glebe Creek Marsh | Anne Arundel, MD | 41.2 miles | SW |
| Long Point Marsh | Anne Arundel, MD | 41.3 miles | SW |
| Thousand Acre Swamp | New Castle, DE | 42.2 miles | NE |
| River Club Marsh | Anne Arundel, MD | 42.3 miles | SW |
| Holly Hills Marsh | Anne Arundel, MD | 42.3 miles | SW |
| Sellman Creek Marsh | Anne Arundel, MD | 42.6 miles | SW |
| White Marsh | Anne Arundel, MD | 42.6 miles | SW |
| Bear Neck Marsh | Anne Arundel, MD | 42.6 miles | SW |
| Cypress Bog | Anne Arundel, MD | 42.8 miles | SW |
| Pasture Run Marsh | Anne Arundel, MD | 42.8 miles | SW |
| Francis Point Marsh | Anne Arundel, MD | 42.9 miles | SW |
| Cadle Creek Marsh | Anne Arundel, MD | 43.1 miles | SW |
| Sheephead Cove Marsh | Anne Arundel, MD | 43.3 miles | SW |
| Deep Pond Marsh | Anne Arundel, MD | 43.6 miles | SW |
| Dock Marsh | Anne Arundel, MD | 43.6 miles | SW |
| Fox Creek Marsh | Anne Arundel, MD | 43.6 miles | SW |
| Locust Point Marsh | Anne Arundel, MD | 43.7 miles | SW |
| North Fork Muddy Creek Marsh | Anne Arundel, MD | 43.8 miles | SW |
| Bosuns Bluff Marsh | Anne Arundel, MD | 43.8 miles | SW |
| O'Neill Island Marsh | Anne Arundel, MD | 43.9 miles | SW |
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