OK, this is the last damn time I respond to you. You told me I was wrong about SC. But you couldn't, or wouldn't, show how I was wrong.
I could but thought you would know by your statements of fact. I could be wrong about SC laws.
M1 here are the statements you made;
"Of course, all beach in SC, except on private islands, is public."
"In SC, from the sea oats out is public."
"Selling beachfront property to include the sand. Most states do not allow this."
"Now you want to talk about MHWL and beachfront. It's a metric you are choosing."
Just so you and Mike know: Encyclopedia of Coastal Science. In Alabama, Alaska, California, Connecticut, Florida, Georgia, Maryland, Mississippi, New Jersey, New York, North Carolina, Oregon, Rhode Island, South Carolina, and Washington, and parts of Texas transferred under common law land grants, the line between the public trust land and any privately owned littoral land is the mean high tide or mean high water line, typically calculated as the land reached by water at the average of all the twice daily high tides that occur over an 18.6 year lunar cycle.
Lookup South Carolina Code of Laws Coastal Tidelands and Wetlands SECTION 48-39.
Now you want to talk about MHWL and beachfront. It's a metric you are choosing. I'm talking about sand. SC, for one, uses an erosion formula since 1996 when the state law was changed.
The MHWL is not some "metric" I pulled out of the air. It's the law of "most" coastal states that define the boundary between private and public littoral property. The MHWL is an elevation from a standard vertical geodetic datum plane. Not where the the sand and water intersect. So the MHWL property boundary could be underwater if the tides are greater than normal (the mean).