| distance | reference number | name | latitude | longitude |
| 290.0 | 121 | Ayock Point, Washington | 47.5083 | -122.053 |
| 297.4 | 1772 | Marysville, Quilceda Creek, Washington | 48.045 | -122.212 |
| 298.1 | 945 | Everett, Washington | 47.98 | -122.223 |
| 302.0 | 3147 | Tulalip, Washington | 48.065 | -122.288 |
| 305.9 | 838 | Duwamish Waterway, Eighth Ave. South, Seattle, Wash | 47.535 | -122.322 |
| 306.2 | 1109 | Glendale, Whidbey Island, Washington | 47.94 | -122.357 |
| 306.4 | 2725 | Seattle, Puget Sound, Washington | 47.605 | -122.338 |
| 306.8 | 1476 | Kayak Point, Washington | 48.1367 | -122.368 |
| 306.8 | 2943 | Stanwood, Washington | 48.2333 | -122.367 |
| 307.2 | 768 | Des Moines, East Passage, Washington | 47.4 | -122.328 |
| 307.3 | 2674 | Sandy Point, Whidbey Island, Washington | 48.035 | -122.377 |
| 307.9 | 1664 | Lockheed Shipyard, Harbor Island, Seattle, Washingt | 47.585 | -122.362 |
| 308.1 | 884 | Edmonds, Washington | 47.8133 | -122.383 |
| 309.8 | 1801 | Meadow Point, Shilshole Bay, Seattle, Washington | 47.6883 | -122.403 |
| 313.5 | 2805 | Sitcum Waterway, Tacoma, Washington | 47.2667 | -122.413 |
| 313.5 | 3019 | Tacoma, Commencement Bay, Washington | 47.2667 | -122.413 |
| 314.0 | 2392 | Port Jefferson, Washington | 47.745 | -122.477 |
| 314.4 | 2332 | Point Vashon, Vashon Island, Washington | 47.5117 | -122.463 |
| 314.9 | 1522 | Kingston, Appletree Cove, Washington | 47.7967 | -122.495 |
| 315.0 | 1568 | La Conner, Swinomish Channel, Washington | 48.3917 | -122.497 |
| 315.3 | 387 | Burton, Quartermaster Harbor (inside), Vashon Islan | 47.395 | -122.463 |
| 316.5 | 3014 | Swinomish Channel Entrance, Padilla Bay, Washington | 48.4667 | -122.517 |
| 316.5 | 566 | Chuckanut Bay, Bellingham Bay, Washington | 48.6667 | -122.5 |
| 316.7 | 2359 | Port Blakely, Washington | 47.5967 | -122.51 |
| 316.7 | 223 | Bellingham Bay, Washington | 48.745 | -122.495 |