Amazing detritus of all sorts (lightweight and therefore floatable)is to be had at Pontchartrain Beach — where Elysian Fields meets the lake.Lightweight pieces of wood and plastic shards of all varieties, for ex. If anyone needs to create a semblence (sp?) of grass for their float surfaceThere’s scads of astroturf (easily cuttable with knife) on the ruins of the old tennis courts. There’s also a barbecue pit floating about 30 yards offshore if anyone needs