Unless the laws have changed--metal detectors of any flavor are still contraband.
I don't believe that. I bet you cant prove it!so much of this 'Against the Law' is total horse shit!
Lots of metal detectors and even underwater metal detectors on the island being used.
And the Antiquities Act is rarely enforced. I wish we protected our antiquities better but we don't.
People deal Mayan artifacts and treasure from the sea such as cannon and anchor openly with out thought or concern for the Antiquities Act.