| Morgan Marsh | Kitsap, WA | 10.2 miles | SE |
| McCaslin Marsh | Kitsap, WA | 11 miles | SE |
| Long Marsh | Mason, WA | 16.2 miles | SE |
| Lilliwaup Swamp | Mason, WA | 18 miles | SW |
| Mint Marsh | Mason, WA | 18.8 miles | SW |
| The Peat Bog | Mason, WA | 19.4 miles | SW |
| Deer Meadow | Mason, WA | 24.1 miles | SW |
| Ronald Bog | King, WA | 27.8 miles | NE |
| Winchester Swamp | Pierce, WA | 28.9 miles | SE |
| Grays Marsh | Clallam, WA | 30 miles | NW |
| South Tacoma Swamp | Pierce, WA | 38.9 miles | SE |
| Cranberry Marsh | Mason, WA | 39.7 miles | SW |
| Farrell Marsh | Pierce, WA | 40 miles | SE |
| Crawford Marsh | Pierce, WA | 40.9 miles | SE |
| Owens Marsh | Pierce, WA | 41.4 miles | SE |
| Waterloo Marsh | Island, WA | 41.8 miles | NE |
| Park Marsh | Pierce, WA | 42 miles | SE |
| Elliot Marsh | Pierce, WA | 42.2 miles | SE |
| Deckerville Swamp | Mason, WA | 42.7 miles | SW |
| Hanner Marsh | Pierce, WA | 43 miles | SE |
| Edmond Marsh | Pierce, WA | 43 miles | SE |
| MacKay Marsh | Pierce, WA | 43.3 miles | SE |
| Kennedy Marsh | Pierce, WA | 44.6 miles | SE |
| Kinsey Marsh | Pierce, WA | 44.9 miles | SE |
| Wright Marsh | Pierce, WA | 45.4 miles | SE |
| Shannon Marsh | Pierce, WA | 45.6 miles | SE |
| Harts Swamp | King, WA | 46.3 miles | NE |
| Mooney Swamp | King, WA | 47.1 miles | SE |
| Trestle Swamp | Snohomish, WA | 47.2 miles | NE |
| Roths Swamp | Snohomish, WA | 47.7 miles | NE |
| Johnsons Swamp | Snohomish, WA | 47.8 miles | NE |
| Halverson Marsh | Pierce, WA | 50.4 miles | SE |
| Brandenburg Marsh | Pierce, WA | 50.4 miles | SE |
| Cranberry Marsh | San Juan, WA | 51 miles | NE |
| Denton Marsh | Pierce, WA | 51.1 miles | SE |
| Kimball Creek Swamp | King, WA | 53.3 miles | SE |
| Metcalf Marsh | King, WA | 55.2 miles | SE |
| Old Channel | Skagit, WA | 55.6 miles | NE |
| Bear Swamp | King, WA | 59.3 miles | SE |
| Olympia Marsh | Skagit, WA | 60.5 miles | NE |
| Stella Swamp | Skagit, WA | 61.8 miles | NE |
| Parsnip Swamp | Thurston, WA | 64.1 miles | SE |
| Miller Swamp | Lewis, WA | 75.9 miles | SW |
| Beljica Meadows Lake | Pierce, WA | 77.6 miles | SE |
| Musto Marsh | Whatcom, WA | 80.2 miles | NE |
| North Fork Swamp | Lewis, WA | 85 miles | SE |
| Pangborn Lake | Whatcom, WA | 93 miles | NE |
| Cranberry Marsh | Pacific, WA | 104.4 miles | SW |
| Cranberry Marsh | Pacific, WA | 107.8 miles | SW |
| Cedar Swamp | Yakima, WA | 114.5 miles | SE |
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