I have this:
74-7x-US-FL-1: Captain Magness of the vessel Ann & Elizabeth, arrived in the river bound from Jamaica, on August 8, 1774, saw a large brig on shore to the northward of Cape Canaveral, Florida, and several wreckers stripping her.
References for 1774-7x-US-FL-1:
New Lloyd's List, (London, England), #574, September 24, 1774
Shipwrecks of the Western Hemisphere: 1492-1825, by Robert F. Marx, (World Publishing Company, New York, 1971), p. 220, #102
Probably the northenmost one.