The Water Mill, New York, community is mourning the tragic death of Stefanie Rock, a 29-year-old New York City resident who was fatally struck by a vehicle while jogging on the morning of Friday, July 24, 2026.
According to Southampton Town Police, the collision occurred at approximately 8:30 a.m. on Deerfield Road near Head of Pond Road. Investigators said Rock was jogging northbound when she was struck by a four-door sedan traveling southbound near 970 Deerfield Road. Emergency responders arrived quickly, but she was pronounced dead at the scene.
Police reported that the driver remained at the scene and cooperated with investigators before being transported to Stony Brook Southampton Hospital for evaluation. As of the latest available information, no charges have been announced, and the investigation remains ongoing as authorities work to determine the circumstances that led to the fatal collision.
Stefanie’s sudden passing has left her family, friends, and loved ones devastated. What began as an ordinary morning ended in unimaginable tragedy, leaving those who knew her to grapple with the loss of a young woman whose life was cut far too short.
While the circumstances of the accident continue to be examined, those closest to Stefanie are choosing to remember the person she was rather than the tragedy that claimed her life. Family and friends are reflecting on the memories they shared with her, celebrating a life defined by meaningful relationships, kindness, and the moments that made her special.
The fatal crash also serves as a sobering reminder of the vulnerability of pedestrians and the importance of road safety for both motorists and those traveling on foot.
Southampton Town Police continue to investigate the incident and have asked anyone with information about the crash to contact the department. The roadway was temporarily closed following the collision while investigators documented the scene and gathered evidence.
At the time of publication, funeral and memorial service arrangements had not been publicly announced. Stefanie Rock’s family is expected to share details regarding visitation and services when they are ready.
The thoughts and heartfelt condolences of the community remain with Stefanie Rock’s family, friends, and everyone mourning her tragic loss. May her memory bring comfort to those who loved her, and may she rest in peace.