Ricardo Negron Almodovar was in the club. He wrote on Facebook: "I was there.
"Shooter opened fire @ around 2:00am. People on the dance floor and bar got down on the floor and some of us who were near the bar and back exit managed to go out through the outdoor area and just ran.
"I am safely home and hoping everyone gets home safely as well :( ."
Eyewitness Rosie Feba was in the club with her girlfriend.
She described the moment the shooting happened and said as she ran out of the club she saw a man who had been shot.
Speaking to the Orlando Sentinal, she said: "Everyone was getting on the floor.
I told her [girlfriend] I didn't think it was real, I thought it was just part of the music, until I saw fire coming out of his gun."
Erickson Robledo said on Facebook: "My friend is there. He almost got shot.
"He is ok. But he just told me that there could be over 20 dead people. He even help people to get out while they were bleeding."
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