Miami Fire Rescue says a 50-year-old man is dead after he was found in the water unresponsive near the Rickenbacker Causeway.
Crews responded to the scene after 8 p.m. Sunday to the Rickenbacker Causeway on the north side before the William Powell Bridge.
A family getting ready to leave the beach spotted the man in the water unresponsive. Officials said the family called 911 and Miami Fire Rescue pronounced him dead at the scene.
Authorities said it is unclear what happened or if anyone saw the man earlier in the day, but homicide detectives are responding.
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