Update: 21st Sept: Thanks to streborhcaz for finding this link that shows this is not in Hawaii and is a hoax.
http://www.abc.net.au/news/newsitems/200706/s1946730.htm
Thanks to Ben_Linus for the following.
A tipster of mine took this photo of what appears to be a freighter anchored down in the bay just 3 miles away from Mokuleia Beach.
Source: Ben_Linus