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The Alameda County coroner's bureau has identified a man who washed ashore at the Berkeley Marina on Saturday as 31-year-old Douglas Jones. 

The Berkeley resident was spotted in the water against the rocks at the marina's southernmost point at about 7:45 a.m., police Sgt. David White said. 

Police and firefighters responded, and fire personnel confirmed the man was deceased. 

Jones' body did not show any obvious signs of trauma, police said. 

The case remains under investigation.