Sailing Yacht Ethereal is a 2009 58 metre (190 feet) luxury yacht designed by Ron Holland and built by Royal Huisman with interior design by Pieter Beeldsnijder, the ultimate in modern sailing luxury - but that is not what is special about her. What is special is that she is currently afloat with top of the line energy efficiency and sound insulation and organic fabrics. What is more special is that throughout she shows an extraordinary level of technological innovation focused on energy conservation and sustainable, autonomous operation. What is even more special is ...