Few other states do. They have seawalls.
Seawalls protect buildings but destroy beaches.
An informative article and clear graphics in the Sunday Star-News reminded us of how that happens. But if you don't believe it, visit North Myrtle Beach. At high tide, it practically disappears, as the waves lap at seawalls built to protect motels and condos. That might be fine for Myrtle Beach. It's become less a beach than a sandy sprawl offering golf, show biz and shopping.