| distance | reference number | name | latitude | longitude |
| 235.8 | 1328 | Houston Ship Channel, Galveston Bay, Manchester, Te | 29.7183 | -95.2517 |
| 235.8 | 1329 | Houston Ship Channel, Manchester, Texas | 29.7183 | -95.2517 |
| 240.3 | 2648 | San Jacinto Battleground State Historic Site, Texas | 29.7567 | -95.09 |
| 240.4 | 1718 | Lynchburg Landing, San Jacinto River, Texas | 29.765 | -95.0783 |
| 247.9 | 153 | Barbours Cut, Morgans Point, Galveston Bay, Texas | 29.6817 | -94.985 |
| 247.9 | 154 | Barbours Cut, Morgans Point, Texas | 29.6817 | -94.985 |
| 250.0 | 583 | Clear Lake, Galveston Bay, Texas | 29.5633 | -95.0667 |
| 250.0 | 584 | Clear Lake, Texas | 29.5633 | -95.0667 |
| 251.8 | 2297 | Point Barrow, Trinity Bay, Galveston Bay, Texas | 29.7333 | -94.8333 |
| 256.2 | 2394 | Port Lavaca, Lavaca Causeway, Matagorda Bay, Texas | 28.64 | -96.595 |
| 257.5 | 2595 | Round Point, Trinity Bay, Texas | 29.7333 | -94.7 |
| 258.7 | 2594 | Round Point, Trinity Bay, Galveston Bay, Texas | 29.7133 | -94.69 |
| 259.6 | 847 | Eagle Point, Galveston Bay, Texas | 29.48 | -94.9183 |
| 259.6 | 849 | Eagle Point, Texas | 29.48 | -94.9183 |
| 265.4 | 3065 | Texas City, Turning Basin, Texas | 29.3833 | -94.8833 |
| 266.3 | 40 | Alligator Point, West Bay, Texas | 29.1667 | -95.1333 |
| 267.8 | 2717 | Seadrift, San Antonio Bay, Texas | 28.4083 | -96.7117 |
| 270.1 | 1410 | Jamaica Beach, West Bay, Texas | 29.2 | -94.9833 |
| 270.3 | 2361 | Port Bolivar, Galveston Bay, Texas | 29.365 | -94.78 |
| 270.3 | 2362 | Port Bolivar, Texas | 29.365 | -94.78 |
| 270.5 | 2405 | Port O'Connor, Matagorda Bay, Texas | 28.4517 | -96.3883 |
| 270.9 | 2653 | San Luis Pass, Texas | 29.0833 | -95.1167 |
| 270.9 | 564 | Christmas Bay, Texas | 29.0417 | -95.175 |
| 271.1 | 1052 | Freeport Harbor, Texas | 28.9483 | -95.3083 |
| 271.1 | 1054 | Freeport, DOW Barge Canal, Texas | 28.9483 | -95.3083 |