English: The Gulf Intracoastal Waterway enters Galveston Bay from the southwest end of the Bolivar Peninsula at the town of Port Bolivar, Galveston County, Texas, USA. The community of Port Bolivar lies at right at the end of the peninsula. Galveston Bay is the great body of water at left. A small piece of the Gulf of Mexico can be seen at upper right. The U.S. Army Corps of Engineers maintains and dredges the waterway for commercial barge navigation.