Dr. Amir Siadatan sitting by the pool at the Ritz-Carlton in Key Biscayne on Wednesday.
A boy was found face-down in the water, and a good Samaritan pulled the boy out.
Dr. Siadatan then jumped into action, performing CPR on the child.
"He was unresponsive and blue," he said. "This is what I do for a living, so I calmed everyone down and continued the process and, thank God, he turned around within two minutes."
Paramedics then arrived and rushed the child to the hospital where he is said to be recovering.
It's not clear how long the child, from California, was in the water.
The Ritz-Carlton released the following statement Wednesday evening about the incident:
"We can confirm there was an incident at the hotel pool involving a minor guest. As soon as we were made aware of the situation hotel personnel responded immediately as well as contacted rescue personnel. The minor guest was transported to the hospital where he has received treatment. At this time we do not have any additional information to provide."