Trump was later escorted back to his main residence, Mar-a-Lago, about five miles away on Palm Beach.
In a fundraising appeal following the incident, Trump reiterated that he was “safe and well”.
“Nothing will slow me down. I will NEVER SURRENDER!” he said.
JD Vance, Trump’s running mate, said Trump was “amazingly, in good spirits” following the incident.
“I’m glad President Trump is safe,” Mr Vance said.
“Still much we don’t know, but I’ll be hugging my kids extra tight tonight and saying a prayer of gratitude.”
Trump had returned to Florida this weekend from a West Coast swing that included a Friday night rally in Las Vegas and a fundraiser in Utah.
He often spends the morning playing golf, before having lunch at his Trump International Golf Club West Palm Beach, one of three he owns in the state.
The course was immediately locked down and Trump was scrambled to safety.
No injuries were reported, according to a spokesman for the Palm Beach County Sheriff’s Office in Florida.
Trump’s security had already been ramped up since an assassination attempt on the ex-president just two months ago.
Gunman Thomas Matthew Crooks fired multiple shots at Trump at a rally in Butler, Pennsylvania, on July 13. One bullet grazed the ex-president’s ear.
Since resuming outdoor campaign events, he has been speaking from behind bulletproof glass.
