And don't go thinking that once you get back from the Hudson Valley you can take a late-summer break in Capri. So what if there are two branches of Prada on one lump of rock? It's way too crowded these days to be truly popular. No, you want to be on the Pontine Islands (between Rome and Naples). Ponza and Ventotene, the main islands of the archipelago, are much, much quieter than Capri but with the same natural beauty - and are much loved by Valentino, Anna Fendi and Princess Caroline of Monaco, all of whom dock their yachts there.