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Barrier Islands
Barrier Islands, like Hilton Head Island, run parallel to the Atlantic and Gulf Coasts from Maine to Texas. Because they are exposed to the open ocean, barrier islands take the full force of tides, currents and storms that lash the coast. They protect the inland marshes and tidal creeks from waves and swells. Barrier Islands are especially attractive to people, who love to build towns, resorts and residences on their ocean-facing shores. Barrier islands consist of the ocean beach, primary dunes, secondary dunes, a maritime forest (if the island is wide enough), a saltwater marsh and tidal flats.
Source: Nature Guide to the Carolina Coast, by Peter Meyer, 1998.








