Jason J. Dolman, 31, and Riza P. Ysulat, 36, drowned, according to the Snohomish County Medical Examiner's Office. Their deaths were ruled an accident.
It will take time for detectives to investigate what happened, Snohomish County sheriff's spokeswoman Shari Ireton said.
Dolman and Ysulat were last seen Jan. 8.
Their car was spotted in the water Wednesday by a sheriff's investigator who was out looking for signs of them along routes they were known to travel, Ireton said.
Their bodies were found inside the car.
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