Another summer kicks off in the Hamptons, and whether you prefer family-friendly Sag Harbor, stylish Southampton, picturesque East Hampton or surfer-sceney Montauk, there’s plenty to entertain this season. Plus: Don't miss out on excursions to Shelter Island and the North Fork, two traditionally quieter destinations that have been gathering buzz thanks to some chic new hangouts and beloved reopenings. Read on for the top places and happenings that should be on your radar in these historic seasid...