A 33-year-old Irish woman has been found dead on board a boat which was docked at a yacht club on Long Island in New York.
The Suffolk County Police Department said a post-mortem examination "did not show evidence of violence and her final cause of death is pending further examination".
A man found Martha Nolan-O'Slatarra, who lived in Manhattan, unconscious on the boat at Montauk Yacht Club at 12am local time yesterday.
She was later pronounced dead at the scene by emergency services.
The police department's homicide detectives are investigating the case.
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"We are saddened to learn of the tragic incident that took place. Our team is cooperating with law enforcement in their ongoing investigation and remains committed to the safety and well-being of our guests and staff. We have no further comment at this time," a Montauk Yacht Club spokesperson said.
Ms Nolan-O'Slatarra, who was from Carlow, moved to the US aged 24 and had a successful fashion company called East X East.
She was also director of operations at investment firm K4 Capital and ran an Amazon fashion brand Duper.
She lived in Manhattan's upper east side. In her latest TikTok post she was celebrating her brand's pop-up shop on the beach in Long Island's Hamptons.
The Department of Foreign Affairs and Trade is aware of the case and is providing consular assistance.
As with all consular cases, the Department does not comment on the details of individual cases.
Fianna Fáil County Councillor in Carlow Andrea Dalton said she is "deeply saddened" to hear about Ms Nolan-O'Slatarra's "untimely" death.
In a statement to RTÉ News, she said that while she did not know her personally, her thoughts and prayers are with her family.
"I know the community of Carlow will rally around Martha's family at this difficult time."
Taoiseach Micheál Martin said the death of Ms Nolan-O'Slatarra is an "absolutely devastating blow to the family" and her community in Co Carlow.
Mr Martin said she was "a young, beautiful, very talented, creative woman" and his thoughts and prayers are with her family.
Additional reporting Dyane Connor
