St. Petersburg police are investigating the discovery of a man found floating in the water off Municipal Marina this afternoon.
Police have tentatively identified the body as that of a 55-year-old male transient.
A witness reported seeing the man swimming in the water off of Spa Beach about 10:30 a.m. this morning, police said, and noticed he was gone about 20 minutes later.
Foul play is not suspected, police said. An autopsy will be performed.
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