You should contact both your insurance company and a criminal/traffic defense attorney to assist you with this matter.
Did you call the police? Why not? Contact a local attorney. You may have a credible defense with these facts. If you represent yourself, those are the questions the judge will ask.
You need a traffic/criminal defense attorney immediately. In most states, I am not sure about FL, if you are convicted of leaving the scene or failing to report an accident to police then you lose your license.
The information provided in this answer does not create an attorney-client relationship. If you are interested in his legal services, feel free to call Chris at (303) 409-7635 at his law office in the Denver Tech Center. All initial consultations are free of charge.
You should definitely spend a couple hundreds bucks for a local traffic court lawyer, as going without a lawyer is a bad bad thing
If you are charged with leaving the scene of an accident, it is a criminal offense. This means that the consequences could include jail, probation etc. This offense is not a civil citation or what most people refer to as a "ticket." Call a lawyer to discuss your options. Are you set for arraignment? What county? Have you already made an insurance claim? Have you spoken to law enforcement?
You can get a free consultation by calling 407-617-1064. Please understand that the information given is not to be construed as legal advice. More information would be needed in order to make a more accurate legal determination on your matter. Furthermore, an attorney-client relationship does not begin until a retainer agreement has been signed by the attorney and client.