Three Seattle-area artists build and float their own island in the middle of Lake Washington, sranrling traffic on a nearby bridge. “The 15-by-15-foot artwork titled, not surprisingly, ‘The Island,’ consists of a palm tree and granite-colored foam rocks on sand-colored canvas, as well as crabs, starfish, coconuts and other tropical props. “The only thing missing is Wilson, the volleyball from ‘Cast Away’.”