Hilton Head is a barrier island so most of the shells get stopped or broken down by the sand barrier.
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Access the digital replica of USA TODAY and more than 200 local newspapers with your subscription. On all beaches located within U.S. state parks, it is illegal to collect sea glass.
What's the situation in the UK? Removing any natural material - including sand and pebbles - from public beaches in the UK is illegal under the Coastal Protection Act 1949. It up to local councils to enforce the law, and offenders can be fined up to £1,000.