The Seawall Boulevard boat ramp, located at 9561-9599 Seawall Blvd, Galveston, Texas, is a public boat ramp that provides access to the Gulf of Mexico. The ramp is approximately 30 feet wide and can accommodate a variety of watercraft, including boats, jet skis, and kayaks.

The body of water that the Seawall Boulevard boat ramp services is the Gulf of Mexico, which is a large body of water that borders Texas and several other states. The Gulf is known for its warm waters, sandy beaches, and diverse marine life, making it a popular destination for boaters, fishers, and tourists.

As a public boat ramp, the Seawall Boulevard ramp permits a range of watercraft on the water, including recreational boats, commercial fishing vessels, and personal watercraft such as jet skis and kayaks. However, it is important to note that there may be restrictions on the size and type of watercraft that are permitted on the Gulf of Mexico, depending on local regulations and safety concerns.

To ensure accuracy, the information provided in this discussion was obtained from the official website of the Texas Parks and Wildlife Department, which oversees public boat ramps and water access points throughout the state.