"The border jetties around Atlantis served many purposes. Fistly, they kept the trading ships away from the jagged rocks. Secondly, they discouraged smugglers from bypassing the main port, forcing them to haul their long boats over two or three slippery rounded walls. Thirdly, and the reason that the defence chancellor had the walls built, was that in the unlikely event of an invasion, any would be Armarda, would be forced to circle the isles in order to land their ships. Providing ample opportunity for Atlantis' guns to be leveled upon their attackers." - Plato, on the spiraled watercourse of Atlantis.

Pretty good effect with the waves breaking...only thing I'd change it maybe to get the water texture all the way out there, even just faintly.