| distance | reference number | name | latitude | longitude |
| 509.8 | 2394 | Port Lavaca, Lavaca Causeway, Matagorda Bay, Texas | 28.64 | -96.595 |
| 516.3 | 2717 | Seadrift, San Antonio Bay, Texas | 28.4083 | -96.7117 |
| 517.2 | 3327 | White Point Bay, Texas | 27.8583 | -97.475 |
| 519.2 | 636 | Copano Bay State Fishing Pier, Texas | 28.1183 | -97.0217 |
| 521.7 | 1328 | Houston Ship Channel, Galveston Bay, Manchester, Te | 29.7183 | -95.2517 |
| 521.7 | 1329 | Houston Ship Channel, Manchester, Texas | 29.7183 | -95.2517 |
| 522.2 | 3066 | Texas State Aquarium, Corpus Christi, Texas | 27.8117 | -97.39 |
| 523.1 | 2570 | Rockport, Aransas Bay, Texas | 28.0217 | -97.0467 |
| 526.5 | 2405 | Port O'Connor, Matagorda Bay, Texas | 28.4517 | -96.3883 |
| 527.8 | 2386 | Port Ingleside, Corpus Christi Bay, Texas | 27.8217 | -97.2033 |
| 527.9 | 2648 | San Jacinto Battleground State Historic Site, Texas | 29.7567 | -95.09 |
| 528.1 | 1718 | Lynchburg Landing, San Jacinto River, Texas | 29.765 | -95.0783 |
| 531.2 | 650 | Corpus Christi Naval Air Station, Texas | 27.705 | -97.28 |
| 531.2 | 2354 | Port Aransas, Texas | 27.8383 | -97.0733 |
| 532.6 | 2352 | Port Aransas (H. Caldwell Pier), Texas | 27.8267 | -97.05 |
| 532.6 | 2353 | Port Aransas, H. Caldwell Pier, Texas | 27.8267 | -97.05 |
| 535.6 | 153 | Barbours Cut, Morgans Point, Galveston Bay, Texas | 29.6817 | -94.985 |
| 535.6 | 154 | Barbours Cut, Morgans Point, Texas | 29.6817 | -94.985 |
| 536.2 | 583 | Clear Lake, Galveston Bay, Texas | 29.5633 | -95.0667 |
| 536.2 | 584 | Clear Lake, Texas | 29.5633 | -95.0667 |
| 536.2 | 2166 | Packery Channel, Texas | 27.6333 | -97.2367 |
| 539.5 | 651 | Corpus Christi, Gulf Of Mexico, Texas | 27.58 | -97.2167 |
| 540.9 | 2297 | Point Barrow, Trinity Bay, Galveston Bay, Texas | 29.7333 | -94.8333 |
| 546.3 | 847 | Eagle Point, Galveston Bay, Texas | 29.48 | -94.9183 |
| 546.3 | 849 | Eagle Point, Texas | 29.48 | -94.9183 |