| Little Mystic Channel | Suffolk, MA | 44.8 miles | SE |
| Boston Inner Harbor | Suffolk, MA | 44.9 miles | SE |
| Fort Point Channel | Suffolk, MA | 45.6 miles | SE |
| Boston Main Channel | Suffolk, MA | 46.9 miles | SE |
| Western Channel | Suffolk, MA | 47 miles | SE |
| Reserved Channel | Suffolk, MA | 47.3 miles | SE |
| Black Rock Channel | Essex, MA | 48.1 miles | SE |
| Squantum Channel | Norfolk, MA | 48.3 miles | SE |
| Governors Channel (historical) | Suffolk, MA | 48.5 miles | SE |
| The Narrows | Merrimack, NH | 48.6 miles | NW |
| East Channel | Merrimack, NH | 49.1 miles | NW |
| Rams Horn Channel | Essex, MA | 49.8 miles | SE |
| Beverly Channel | Essex, MA | 49.9 miles | SE |
| Wollaston Channel | Norfolk, MA | 49.9 miles | SE |
| South Channel | Essex, MA | 50.5 miles | SE |
| Sculpin Ledge Channel | Essex, MA | 50.7 miles | SE |
| President Roads | Suffolk, MA | 50.8 miles | SE |
| Oxbow Cut | Rockingham, NH | 50.9 miles | NE |
| Nubble Channel | Suffolk, MA | 51 miles | SE |
| Lords Creek | Essex, MA | 51 miles | NE |
| Boston North Channel | Suffolk, MA | 51.3 miles | SE |
| Stacy Creek | Essex, MA | 51.5 miles | NE |
| The Thorofare | Essex, MA | 51.7 miles | NE |
| Boston South Channel | Suffolk, MA | 51.9 miles | SE |
| The Narrows | Suffolk, MA | 51.9 miles | SE |
| Third Creek | Essex, MA | 51.9 miles | NE |
| Salem Channel | Essex, MA | 52 miles | SE |
| Nantasket Roads | Norfolk, MA | 52.5 miles | SE |
| Hypocrite Channel | Suffolk, MA | 52.9 miles | SE |
| Marblehead Channel | Essex, MA | 52.9 miles | SE |
| Childrens Island Channel | Essex, MA | 53.2 miles | SE |
| Eagle Island Channel | Essex, MA | 53.3 miles | SE |
| Upper Narrows | Rockingham, NH | 53.5 miles | NE |
| Salem Channel | Essex, MA | 53.7 miles | SE |
| Lower Narrows | Rockingham, NH | 53.7 miles | NE |
| Manchester Channel | Essex, MA | 54 miles | SE |
| Hampton Harbor Inlet | Rockingham, NH | 54.1 miles | NE |
| Choate Island Channel | Essex, MA | 55.3 miles | SE |
| Furber Strait | Strafford, NH | 57.1 miles | NE |
| Blynman Canal | Essex, MA | 59.3 miles | SE |
| Dog Bar Channel | Essex, MA | 59.4 miles | SE |
| North Channel | Essex, MA | 60.1 miles | SE |
| South Channel | Essex, MA | 60.3 miles | SE |
| The Gangway | Norfolk, MA | 60.9 miles | SE |
| Upper Narrows | Strafford, NH | 61 miles | NE |
| Lower Narrows | Strafford, NH | 61.4 miles | NE |
| Fox Point Reach | Providence, RI | 64.2 miles | SE |
| Fuller Rock Reach | Providence, RI | 65.7 miles | SE |
| Ramshead Ditch | York, ME | 66.7 miles | NE |
| Sabin Point Reach | Providence, RI | 66.8 miles | SE |
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