| distance | reference number | name | latitude | longitude |
| 18.5 | 1830 | Middletown, Connecticut River, Connecticut | 41.56 | -72.645 |
| 18.6 | 1236 | Hartford, Connecticut River, Connecticut | 41.77 | -72.6683 |
| 18.8 | 2866 | South Hartford, Connecticut River, Connecticut | 41.755 | -72.6583 |
| 19.0 | 2573 | Rocky Hill, Connecticut River, Connecticut | 41.6633 | -72.63 |
| 20.9 | 1974 | New Haven Harbor entrance, Connecticut | 41.2833 | -72.9083 |
| 20.9 | 1975 | New Haven Reach, New Haven Harbor, Connecticut | 41.2833 | -72.9083 |
| 21.1 | 2778 | Shelton, Housatonic River, Connecticut | 41.3017 | -73.0717 |
| 22.8 | 1626 | Lighthouse Point, New Haven Harbor, Connecticut | 41.2517 | -72.905 |
| 23.0 | 1677 | Long Hill, Housatonic River, Connecticut | 41.275 | -73.0883 |
| 23.4 | 327 | Branford, Branford River, Connecticut | 41.2617 | -72.8183 |
| 24.2 | 1765 | Maromas, Connecticut River, Connecticut | 41.5417 | -72.5517 |
| 24.7 | 1264 | Higganum Creek, Connecticut River, Connecticut | 41.5033 | -72.5533 |
| 25.6 | 1832 | Milford Harbor, Connecticut | 41.2183 | -73.055 |
| 27.1 | 2613 | Sachem Head, Connecticut | 41.245 | -72.7083 |
| 27.2 | 1178 | Guilford Harbor, Connecticut | 41.2717 | -72.6667 |
| 27.5 | 1361 | I-95 bridge, Stratford, Housatonic River, Connectic | 41.2033 | -73.1117 |
| 27.8 | 1187 | Haddam, Connecticut River, Connecticut | 41.4817 | -72.5067 |
| 28.4 | 2833 | Sniffens Point, Housatonic River, Connecticut | 41.1867 | -73.1133 |
| 29.8 | 1728 | Madison, Connecticut | 41.27 | -72.6033 |
| 30.7 | 3165 | Tylerville, Connecticut River, Connecticut | 41.4517 | -72.465 |
| 30.9 | 341 | Bridgeport Harbor, Bridgeport, Connecticut | 41.1733 | -73.1817 |
| 33.5 | 1189 | Hadlyme, Connecticut River, Connecticut | 41.42 | -72.4283 |
| 35.4 | 3306 | Westbrook, Duck Island Roads, Connecticut | 41.2733 | -72.475 |
| 37.6 | 933 | Essex, Connecticut River, Connecticut | 41.3483 | -72.385 |
| 40.2 | 1715 | Lyme, highway bridge, Connecticut River, Connecticu | 41.3217 | -72.35 |