Glamorous NYC designers family launches tip line for unsolved case a year after mysterious Montauk yacht death

The family of a Hamptons fashion entrepreneur who died under mysterious circumstances at a swanky Montauk yacht club launched a tip line as the case remains open one year later.Martha Nolan-O’Slatarra’s family has launched the site MarthaTipline.com searching for clues as they seek $50 million in a wrongful death suit against Christopher Durnan, the last person to see her alive.“The family of Martha Nolan-O’Slatarra and their legal team are seeking information that may help their investigation into her death in Montauk,” says the tip site, which is set up by attorney Michael Bowe of Brithem LLP.“Brithem’s legal team continues to investigate and is asking anyone with information to come forward,” the site says.Nolan-O’Slatarra, 33, died on Durnan’s boat “Ripple” as it was docked at the Montauk Yacht Club on Aug.5, 2025.An man on the scene — who was not identified by name — had called authorities and told them he was in bed with the Irish-born beauty and unable to wake her up, according to a Montauk Fire Department patient care report referenced in the family’s lawsuit.Durnan was reportedly spotted completely naked running down the yacht club’s dock and calling for others to “do something.”The family said on its site it wants to hear from anyone who was at or near the club, or interacted with Nolan-O’Slatarra or Durnan the day prior to her death and the day her body was found.“Even if you are unsure whether what you know is important, we want to hear from you,” the website says....