I just added under deck lighting to the pontoon, and I'm talking about between the toons. When I showed my wife, she loved the lights, but the first thing out of her mouth was, "how are you going to see them when you add the under decking?" Good point! Well, this morning I thought about something that I would think should work. What about plexiglass rather than aluminum sheets? That should provide the guard from the waves without covering the lights that I put under there. It should also make it easier to run additional wires in the future since you would be able to see what's going on. What do you think of this idea. I've searched but not found anything regarding this idea.