Here it is then - my rock pile.  With a little fairy on top. 
 
Nice to relate, when we arrived at the beach this afternoon we didn't find the pile had been climbed on and knocked about as it usually has. Instead it had been tidied, and even had some sticks added as decoration!  And if you look carefully you can see that there's a fair sized patch around it that has been cleared of anything larger than a grapefruit...