I'm amazed at how many lighthouses you have visited. I can see why low barrier islands such as this one's locale, would need a warning light.
I laughed at your comment yesterday on my 'walking iris' shot. You might be interested to know how it came to have such a name.
"When the new plantlet is formed at the tip of the flower stalk, it bends to the ground and takes root. This new plant then repeats the process. Thus, giving the illusion of walking or moving about as it spreads. " - from an online source other than Wikipedia, for a change.