#1, the hardest place in the ocean for a man-made structure to survive is in the tidal zone. Waves would have beaten anything as flimsy as an unpressurized airplane hull to death in well less than 80+ years.
#2, not a hint of the Lockheed 10 Electra's YUGE radial engines OR engine nacelles, and no indication that a YUGE chunk is missing from the wings where the engines should be.
#3, no taper to the wings. Wing chord at the root should be a quarter of the airframe's overall length. What's in the picture is barely bigger than a helicopter's rotor.
Whatever that item is, it’s not her plane. It looks like a piece of equipment, probably from a fishing vessel.
August should tell