I know what you mean about seaweed I think that's what drove the crowds away in your picture, the smell of it rotting.

I've swum out to the Tower as well. In fact I've walked there on more than one occasion without getting my feet wet. God knows why! But as the tides used to go out well beyond the Tower....

....and it passed the time between Manx Ices. Not what it is now, the real creamy stuff. "Lovely"