topwater wrote on Dec 4^th, 2024 at 10:48am:

I'm the one who grabbed the photo and put it on Facebook.  I apologize if I overstepped any boundaries, I was sure to crop out the photographer's name.  It was driving me crazy wondering what these things were.  The general consensus is that these are "dock cribs" used as the base for pilings for a dock.  No one can identify where they are.

And here we are