Dewees Island, Private barrier island in Charleston, United States.
Dewees Island is a private barrier island north of Charleston that spans roughly 1,200 acres of oceanfront property with sandy beaches, salt marshes, and protected natural habitats. The land supports a small residential community while remaining largely undeveloped wilderness with native plants and local wildlife.
The island was originally hunting grounds for the Sewee Indians and later fell under British control before Cornelius Dewees acquired it and gave it his name. A World War II observation tower still stands on the property as evidence of its role in coastal defense during the war years.
The residential community maintains strict environmental guidelines, prohibiting gas vehicles and limiting construction to preserve the natural landscape.
The island is accessible only by private ferry from Isle of Palms, and there are no stores or commercial services on site. Visitors should bring supplies, insect repellent, and appropriate clothing for weather that can change quickly.
The World War II submarine observation tower remains standing on the island as a reminder of its military significance during wartime.
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