The owner of Evers Marina told CBS2's Alice Gainer the victims launched their Jet Skis from his business.
CBS2 has learned the accident happened just after 9 p.m. in Eastchester Bay, a mile or two closer to City Island. The men were thrown from the watercrafts and suffered severe injuries.
They were taken out of the water by a private boat and brought to shore, before being transported to Jacobi Hospital.
The NYPD Harbor and Aviation divisions are investigating.
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