**UPDATE**
The incident occurred on the evening of July 5, 2026. The New York State Police Bureau of Criminal Investigation (BCI) was requested on July 6, 2026.
ORIGINAL
On July 6, 2026, the Sag Harbor Village Police Department requested the assistance of the New York State Police Bureau of Criminal Investigation (BCI) in connection with a boating collision that seriously injured two passengers. Following the preliminary investigation, the New York State Police adopted the case. At approximately 10:07 p.m., Sag Harbor Village Police received a report of a boat that had struck a jetty in Sag Harbor Bay.
The investigation revealed that the operator of the vessel, later identified as Peter Mangiameli, 57, of Southampton, was operating a 2023, 35-foot Cruise Boat from Sag Harbor Bay into the harbor when the vessel struck a stone jetty causing significant damage. There were eight passengers aboard the vessel and two sustained injuries. After the collision, Mangiameli docked the vessel at a local dock where officers from the Sag Harbor Village Police Department responded and rendered assistance. Mangiameli left the scene while the injured passengers were receiving medical treatment.
The two passengers who sustained serious physical injuries were taken to a local hospital for treatment. Their injuries included a broken rib, leg fracture and vertebrae fracture.
Mangiameli was arrested and charged with the following:
Reckless Operation of a Vessel, Unreasonable Speed (violation)
Vessel Operator Fals to Report Accident, Personal Injury (E Felony)
Vessel Operator Fails to Provide ID, Personal Injury Accident (B Misdemeanor)
Assault 3rd, Recklessly Cause Physical Injury (A Misdemeanor)
Assault 2nd, Recklessly Cause Serious Physical Injury (D Felony)
Reckless Endangerment 2nd (A Misdemeanor)
Multiple violations of the NYS Navigation Law
This investigation remains ongoing. Anyone who witnessed the collision or may have additional information is asked to call the New York State Police at (631)756-3300.
