Suffolk police say a woman was driving drunk when she plunged a Jeep into the Nissequogue River in Smithtown early Sunday morning.
Detectives say 22-year-old Soffy Villa-Vargas was driving on Route 25A and Summerset Road when her car left the road around 2 a.m.
Police say the three passengers who were inside were not hurt.
Villa-Vargas, of Elmhurst, was charged with DWI.