[everybodyknows]

Not mentioned at all are the big winners, at least for a time, of managed retreat: Owners of the properties just inland, who suddenly acquire whitewater views. These can now charge rent to vacationers at some multiple of what was formerly possible.

Admittedly it's a bit of a puzzle how in practice either their former seaward neighbors, or the public, could lay claim to a share of that increase in value.