If I found this place on a world map, and went and dived where the little circle is, I would expect to find the text of the legendary Lost Sequences in a waterproof bag. And that text would read:
By coming here, you have confused the map with the territory. Pay closer attention to the pattern of bits printed inside the circle on the First Edition hardcover.
I presume it is a map-territory reference with a bay in a convenient location.
If I found this place on a world map, and went and dived where the little circle is, I would expect to find the text of the legendary Lost Sequences in a waterproof bag. And that text would read:
I think you are being very silly. On the other hand, now I wish one of the SFers would go and establish a geocache at/near that spot...