Profile: Sea-R. O., Inc. designs, builds and operates desalination systems "watermakers" of all sizes and types. We specialize in total system design for island hotels and resorts, residential systems, ships, yachts, and boats. Our Nautilus 800 is a complete watermaker system, with boost pump, fresh water flush, control panel, prefiltration, high pressure pump, and membrane/pressure vessel array, and all 316 stainless steel components.