I had the pleasure of sailing aboard Mokulele, an S-Boat built in Pearl Harbor before the attack. It was maintained by Shep Williams who passed away several years ago now. He invited me to sail several times while I was stationed at Pearl Harbor. He had sheethed it in polyester and it was a constant maintenance
It performed so well that he rarely needed an engine
and it sailed absolutely beautifully. The last I heard a couple of Army folks bought it and were maintaining it.
It had a sistership at Pearl Harbor that a fellow bought to restore but after the haulout he never got to it and it finally dried up, couldn't keep the rain out and it rotted away. A real shame. They have such a beautiful hull.