No and no. The ship is still there, in full view. The people didn't jump off, they weren't whisked away by faeries, they didn't drink invisibility potion, and they weren't eaten by the Questing Beast. Carry on.
Boru
Boru
‘But it does me no injury for my neighbour to say there are twenty gods or no gods. It neither picks my pocket nor breaks my leg.’ - Thomas Jefferson