And the answer is...

The items in the previous photo are boat supports! Once I lightened the shadows a bit, I could see them under the boat, holding it while it's in drydock. Thanks to my sister-in-law's friend Janet for the info!

[katy]

I never would have guessed what they were but I can see now from this exceptional photo. I like the POV on this one and the composition

[aikiuser (jenn)]

Well I was on the right track at least 😆 Very cool

[aikimomm (phoebe)]

Ah ha!

[Dione Giorgio]

Lovely image. I missed yesterday's shot so I had to go back to see what you were talking about.

[PhotoCrazy]

Wonderful pic!

[Ann H. LeFevre]

Never would have guessed that in a million years!