[Bubba Ho-Tep]

The land had been deeded to the federal government by the state of South Carolina. "Not before November 22, 1841, was the Federal Government's title to 125 acres of harbor "land" recorded in the office of the Secretary of State of South Carolina." source

Are you claiming that property rights were negated by secession?

[slow5poh]

absolutely, especially when the CSA offered reimbursement for said property rights.