Marina Cocher Bergés, Founder of Marina St Barth (Photo Credit: SIPA USA via AP Images / David Warren) Founder Marina Cocher Bergés celebrated Marina St Barth with a gathering that brought the brand’s signature Saint Barthélemy spirit to the Hamptons Marina St Barth, the luxury resort wear brand founded by Marina Cocher Bergés, welcomed guests to its new Southampton boutique over Memorial Day weekend for a celebration marking both the start of the Hamptons summer season and t