We were looking to see where we could hide our next hide and P!x!e commented, "What about that rock?"
Now having found a fair number of caches and seeing over a million rocks in my life, I had to have a giggle. She justified her answer by saying, it was the one in the middle of the sea!
The rock is located in the sea, or so it seemed, but as the tide pulled back, the route showed it self.