| Great Heron Wetlands | Frederick, MD | 4.5 miles | NE |
| Island Marshes | Prince George's, MD | 38.2 miles | SE |
| Knowles Marshes | Prince George's, MD | 39.3 miles | SE |
| Dyke Marsh | Fairfax, VA | 43.3 miles | SE |
| Glen Burnie Bog (historical) | Anne Arundel, MD | 44.9 miles | SE |
| Gumbottom Bog | Anne Arundel, MD | 48.9 miles | SE |
| Deep Ditch Bog | Anne Arundel, MD | 50 miles | SE |
| South River Headwaters Marsh | Anne Arundel, MD | 50.3 miles | SE |
| Saint George Barber Marsh | Anne Arundel, MD | 50.8 miles | SE |
| Sullivans Cove Bog | Anne Arundel, MD | 51.1 miles | SE |
| Cypress Creek Savannah Bog | Anne Arundel, MD | 51.4 miles | SE |
| Cypress Creek Bog | Anne Arundel, MD | 51.5 miles | SE |
| Dill Road Bog | Anne Arundel, MD | 51.6 miles | SE |
| Flat Creek Marsh | Anne Arundel, MD | 51.6 miles | SE |
| Broad Creek Marsh | Anne Arundel, MD | 52.1 miles | SE |
| Cockeys Creek Bog | Anne Arundel, MD | 52.1 miles | SE |
| Beards Creek Marsh | Anne Arundel, MD | 52.8 miles | SE |
| Shady Pond Bog | Anne Arundel, MD | 53 miles | SE |
| Blackhole Creek Bog | Anne Arundel, MD | 53 miles | SE |
| Main Creek Bog | Anne Arundel, MD | 53.2 miles | SE |
| Hines Pond Bog | Anne Arundel, MD | 53.3 miles | SE |
| Eagle Hill Bog | Anne Arundel, MD | 53.3 miles | SE |
| South Grays Creek Bog | Anne Arundel, MD | 53.7 miles | SE |
| Fresh Pond Bog | Anne Arundel, MD | 53.9 miles | SE |
| North Grays Creek Bog | Anne Arundel, MD | 54.2 miles | SE |
| Glebe Creek Marsh | Anne Arundel, MD | 55.2 miles | SE |
| Cutover Swamp | Anne Arundel, MD | 55.3 miles | SE |
| Birds Mill Swamp | Anne Arundel, MD | 55.4 miles | SE |
| Black Marsh | Baltimore, MD | 55.4 miles | SE |
| The Mess | Anne Arundel, MD | 55.6 miles | SE |
| The Moss | Anne Arundel, MD | 55.7 miles | SE |
| Reed Marsh | Anne Arundel, MD | 55.8 miles | SE |
| North Fork Muddy Creek Marsh | Anne Arundel, MD | 55.8 miles | SE |
| South Fork Muddy Creek Marsh | Anne Arundel, MD | 55.9 miles | SE |
| O'Neill Marsh | Anne Arundel, MD | 55.9 miles | SE |
| Cypress Bog | Anne Arundel, MD | 56.3 miles | SE |
| Pages Swamp | Charles, MD | 56.3 miles | SE |
| Sellman Creek Marsh | Anne Arundel, MD | 56.3 miles | SE |
| River Club Marsh | Anne Arundel, MD | 56.4 miles | SE |
| Muddy Creek Marsh | Anne Arundel, MD | 56.4 miles | SE |
| Pasture Run Marsh | Anne Arundel, MD | 56.4 miles | SE |
| Hog Island Marsh | Anne Arundel, MD | 56.5 miles | SE |
| Fox Creek Marsh | Anne Arundel, MD | 56.5 miles | SE |
| Francis Point Marsh | Anne Arundel, MD | 56.5 miles | SE |
| Horseshoe Bog | Anne Arundel, MD | 56.6 miles | SE |
| Fox Marsh | Anne Arundel, MD | 56.6 miles | SE |
| Sheephead Cove Marsh | Anne Arundel, MD | 56.6 miles | SE |
| Bear Neck Marsh | Anne Arundel, MD | 56.7 miles | SE |
| Dock Marsh | Anne Arundel, MD | 56.7 miles | SE |
| Fox Point Marsh | Anne Arundel, MD | 56.8 miles | SE |
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