Looks Like a Case for Mike Shayne

Mysterious grand piano found on Biscayne Bay sandbar - Miami-Dade Breaking News - MiamiHerald.com: "A grand piano recently appeared on a sandbar in Biscayne Bay, about 200 yards from the Quayside condominiums off Northeast 107th Street. Whoever put it there placed it at the highest point of the sandbar so that it's not underwater during high tide."