| distance | reference number | name | latitude | longitude |
| 220.9 | 1328 | Houston Ship Channel, Galveston Bay, Manchester, Te | 29.7183 | -95.2517 |
| 220.9 | 1329 | Houston Ship Channel, Manchester, Texas | 29.7183 | -95.2517 |
| 225.0 | 2648 | San Jacinto Battleground State Historic Site, Texas | 29.7567 | -95.09 |
| 225.1 | 1718 | Lynchburg Landing, San Jacinto River, Texas | 29.765 | -95.0783 |
| 232.5 | 153 | Barbours Cut, Morgans Point, Galveston Bay, Texas | 29.6817 | -94.985 |
| 232.5 | 154 | Barbours Cut, Morgans Point, Texas | 29.6817 | -94.985 |
| 235.0 | 583 | Clear Lake, Galveston Bay, Texas | 29.5633 | -95.0667 |
| 235.0 | 584 | Clear Lake, Texas | 29.5633 | -95.0667 |
| 236.1 | 2297 | Point Barrow, Trinity Bay, Galveston Bay, Texas | 29.7333 | -94.8333 |
| 241.5 | 2595 | Round Point, Trinity Bay, Texas | 29.7333 | -94.7 |
| 242.8 | 2594 | Round Point, Trinity Bay, Galveston Bay, Texas | 29.7133 | -94.69 |
| 244.4 | 847 | Eagle Point, Galveston Bay, Texas | 29.48 | -94.9183 |
| 244.4 | 849 | Eagle Point, Texas | 29.48 | -94.9183 |
| 247.3 | 2394 | Port Lavaca, Lavaca Causeway, Matagorda Bay, Texas | 28.64 | -96.595 |
| 250.3 | 3065 | Texas City, Turning Basin, Texas | 29.3833 | -94.8833 |
| 252.1 | 40 | Alligator Point, West Bay, Texas | 29.1667 | -95.1333 |
| 255.0 | 2361 | Port Bolivar, Galveston Bay, Texas | 29.365 | -94.78 |
| 255.0 | 2362 | Port Bolivar, Texas | 29.365 | -94.78 |
| 255.5 | 1410 | Jamaica Beach, West Bay, Texas | 29.2 | -94.9833 |
| 256.8 | 2653 | San Luis Pass, Texas | 29.0833 | -95.1167 |
| 257.0 | 564 | Christmas Bay, Texas | 29.0417 | -95.175 |
| 257.1 | 1071 | Galveston Pier 21, Galveston Channel, Texas | 29.31 | -94.7933 |
| 257.4 | 1069 | Galveston Bay Entrance, North Jetty, Texas | 29.3583 | -94.725 |
| 257.7 | 1052 | Freeport Harbor, Texas | 28.9483 | -95.3083 |
| 257.7 | 1054 | Freeport, DOW Barge Canal, Texas | 28.9483 | -95.3083 |