A group of beachgoers discovered a body Thursday afternoon near the Ocean Beach pier, fire officials said.
After the group called 911, firefighters and lifeguards found the body 100 yards west of the pier, floating in the water.
They have retrieved the body, which is believed to be that of a woman, and said it was heavily decomposed. Officials say it had been in the water for at least a day, if not more.
The medical examiner's office will determine a cause of death.
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