| Fox Point Reach | Providence, RI | 9.8 miles | SE |
| Fuller Rock Reach | Providence, RI | 11.4 miles | SE |
| Sabin Point Reach | Providence, RI | 12.2 miles | SE |
| Bullock Point Reach | Providence, RI | 13.9 miles | SE |
| Conimicut Point Reach | Providence, RI | 15.4 miles | SE |
| Rumstick Neck Reach | Bristol, RI | 17.4 miles | SE |
| Entrance Channel | Newport, RI | 20.8 miles | SE |
| The Narrows | Washington, RI | 25.4 miles | SE |
| West Passage | Newport, RI | 25.9 miles | SE |
| East Passage | Newport, RI | 26.5 miles | SE |
| The Narrows | Plymouth, MA | 33.1 miles | SE |
| Judith Pond | Washington, RI | 34.9 miles | SE |
| Horseneck Channel | Bristol, MA | 35.9 miles | SE |
| Wollaston Channel | Norfolk, MA | 37 miles | NE |
| Squantum Channel | Norfolk, MA | 37.6 miles | NE |
| Sculpin Ledge Channel | Essex, MA | 39.6 miles | NE |
| Fort Point Channel | Suffolk, MA | 39.7 miles | NE |
| Reserved Channel | Suffolk, MA | 39.9 miles | NE |
| Boston Main Channel | Suffolk, MA | 40.3 miles | NE |
| Duck Channel | New London, CT | 41 miles | SW |
| Little Mystic Channel | Suffolk, MA | 41 miles | NE |
| Boston Inner Harbor | Suffolk, MA | 41.3 miles | NE |
| Governors Channel (historical) | Suffolk, MA | 41.3 miles | NE |
| Nantasket Roads | Norfolk, MA | 41.4 miles | NE |
| Nubble Channel | Suffolk, MA | 41.8 miles | NE |
| President Roads | Suffolk, MA | 42.2 miles | NE |
| The Narrows | Suffolk, MA | 42.2 miles | NE |
| Long Reach Upper | New London, CT | 42.4 miles | SW |
| Long Reach Lower | New London, CT | 42.9 miles | SW |
| Boston South Channel | Suffolk, MA | 44 miles | NE |
| Boston North Channel | Suffolk, MA | 44.1 miles | NE |
| Hypocrite Channel | Suffolk, MA | 44.7 miles | NE |
| Goose Point Channel | Plymouth, MA | 44.8 miles | NE |
| Dug Way | Plymouth, MA | 44.9 miles | NE |
| Plymouth Harbor Channel | Plymouth, MA | 45.2 miles | NE |
| Watch Hill Passage | Washington, RI | 45.3 miles | SW |
| Sugar Reef Passage | Washington, RI | 45.7 miles | SW |
| Bass Strait | New London, CT | 45.9 miles | SW |
| Great Wood Island River | Plymouth, MA | 46 miles | NE |
| The Gangway | Norfolk, MA | 46.1 miles | NE |
| Canapitsit Channel | Dukes, MA | 46.2 miles | SE |
| Cut River | Plymouth, MA | 46.2 miles | NE |
| East River | Plymouth, MA | 46.5 miles | SE |
| Cleveland Ledge Channel | Barnstable, MA | 46.5 miles | SE |
| Cleveland Ledge Channel | Barnstable, MA | 46.5 miles | SE |
| Lords Passage | Washington, RI | 46.5 miles | SW |
| Catumb Passage | Washington, RI | 46.7 miles | SW |
| Lords Passage | Suffolk, NY | 46.7 miles | SW |
| Hog Island Channel | Barnstable, MA | 46.8 miles | SE |
| Wicopesset Passage | Suffolk, NY | 46.9 miles | SW |
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