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New York designer found dead on boat at Montauk Yacht Club

The woman found dead on a docked boat at a ritzy Hamptons yacht club has been identified as 33-year-old local designer Martha Nolan-O’Slatarra.

Nolan-O’Slatarra was found dead at the Montack Yacht Club in Long Island, New York, on Tuesday after a man called 911 around midnight to report an “unconscious” woman on a boat, the Suffolk County Police Department said in a news release. Good Samaritans attempted to perform CPR, but she was pronounced dead by first responders.

A preliminary investigation and examination were inconclusive regarding her cause of death, authorities said.

Montauk Yacht club.
The Montauk Yacht club on Aug. 5, 2025, in Montauk, N.Y.MediaPunch via AP

Suffolk County Police said homicide detectives are investigating the death.

Nolan-O’Slatarra, who lived in Manhattan, was the founder of the clothing brand East x East, according to her social media. She was also the director of operations for K IV Capital Management in New York. Neither company returned a request for comment on Wednesday.

Montauk Yacht Club spans 16 acres on Lake Montauk. A spokesperson for the club said it was “saddened to learn of the incident that took place” and is cooperating with law enforcement.