Five of Europe’s best accessible island escapes

From the Venetian lagoon to the sparkling Med, these island getaways offer a welcome change of pace just a short hop from the mainland

Connected to the German mainland by a single rail causeway, Sylt is just over three hours from Hamburg by direct train. The largest of the North Frisian islands, it slices through the North Sea and the Wadden Sea, with salt marshes and mudflats to the east and 25 miles of white sands sweeping along the western coast, grassy dunes buffering the bracing winds.