Gulf Intracoastal Waterway
![](/Images/godic/202501/16/Bowmanlock4012.jpg")
![The Gulf Intracoastal Waterway enters Galveston Bay at Port Bolivar, Texas](/Images/godic/202501/16/Gulf_Intracoastal_Waterway_Galveston_Bay4013.jpg")
![The Corps of Engineers marks the Intracoastal with channel markers like this one.](/Images/godic/202501/16/165whl4013.jpg")
The Gulf Intracoastal Waterway is the portion of the Intracoastal Waterway located along the Gulf Coast of the United States. It is a navigable inland waterway running approximately 1050 miles (1700 kilometers) from Carrabelle, Florida, to Brownsville, Texas.