Nestled on serene rivers and lakes, these elite enclaves are set in some of the most exquisite scenery on the planet. Whether located in Switzerland or in Italy's lake district, each picturesque property combines refined atmosphere with all the relaxing glories of nature. Residents and visitors can watch the lazy currents from the comfort of their secure retreats, many with historically significant buildings and world-class landscaping. Each island is a universe unto itself, with unique recreational possibilities, including boating and fishing. Of course, they all offer superb isolation and quiet-so precious in our crowded and hectic modern world.