beergolf got it. Your turn
That's the Teignmouth Electron, 19°41'10.40"N 79°52'37.83"W, Cayman Brac. Donald Crowhurst's boat. Quite the story!
Sounds like a great book; I just added it to my list. I just started reading Adrift, which has been very interesting so far. https://www.amazon.com/dp/0618257322/?tag=skimlinks_replacement-20
I read "All the light we cannot see" while staying near this:
WAG St. Malo France?
Espana Square, Barcelona
Looks like mt vasuvius, Naples Italy
Maybe this one will take a few guesses...