Texas barrier islands

Texas barrier islands are narrow coastal landforms separated from the mainland by bays and lagoons, extending along much of the state’s Gulf Coast. Padre, Mustang, and Galveston are among the best-known examples.

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Longshore drift: The transport of sediment along a coast by waves approaching at an angle. It moves sand along the Texas coast and helps maintain or shift island shorelines.
Padre Island: A long barrier island off the southern Texas coast, divided into North Padre and South Padre Island. It is the largest and most extensive example in the Texas chain.
Padre Island National Seashore: A protected national seashore covering much of the undeveloped portion of North Padre Island. It preserves coastal habitat and limits development across a major island landscape.
Galveston Hurricane of 1900: A devastating hurricane that struck Galveston, Texas, on September 8, 1900. The disaster led to major changes in Galveston’s coastal defenses and urban form.
Barrier island: A long, narrow coastal island separated from the mainland by a lagoon, bay, or marsh. Texas’s chain is a regional example of this coastal landform.
Mustang Island: A barrier island on the central Texas coast, between Corpus Christi Bay and the Gulf of Mexico. It illustrates the chain’s central section and includes the developed community of Port Aransas.
Texas Coastal Management Program: A state program coordinating management of Texas coastal resources and development. Its policies address erosion, public access, wetlands, and coastal construction.
Texas coastal wetlands: Wetland ecosystems along the Texas Gulf Coast, including marshes, estuaries, and tidal flats. Bays behind the islands support wetlands that depend on coastal sediment and water exchange.
Longshore bar: A submerged ridge of sand formed parallel to a shoreline by wave action. These offshore sand deposits can supply sediment to Texas island beaches.
Galveston Island: A barrier island on the upper Texas coast, bordering Galveston Bay and the Gulf of Mexico. Its dense development contrasts with the largely protected stretches farther south.