An elderly man was found dead in the water near Caesar Chavez Park by the Port of San Diego on Monday evening, the San Diego Harbor Police confirmed.
The incident occurred sometime around 6:30 p.m.
Witnesses told police they saw the man on a private peir and asked him to leave. About five minutes later, they saw the same man lying face down in the water.
Police say they believe the death was accidental and that the man slipped and fell into the water. They said he may have been looking for the public pier, which is nearby.
The San Diego County Medical Examiner's Office is working to identify the body.
No other information was immediately available.