The Palm Beach County Sheriff's Office said just before 8 a.m. Monday that the swimmer is not missing.
PBSO says some residents from a condo went swimming Sunday night, and they did not see one swimmer exit the water.
However, everyone is accounted for and the search never resumed Monday morning.
A swimmer has still not been located after going missing Sunday night off Lantana Beach.
The swimmer went missing around 9 p.m.
Around 11 p.m., Palm Beach County Fire Rescue said in a written statement that they suspended their search and turned it over to the PBSO Marine Unit and Coast Guard.
The name of the swimmer has not been released.
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