5 Reasons to Visit Nantucket

The small island of Nantucket, 35 miles off the coast of Cape Cod, was once the whaling capital of the world. These days, this charming spot looks like an idyllic postcard, peppered with pristine beaches, sailboat- and yacht-dotted harbors, cobblestoned streets, and shingled homes whose gardens are filled with roses and hydrangeas.  Home to a mix…