In Fl, as in all states, a 17 year old is still a minor. And as you seem to be aware, parental or guardian consent is required in order to be married. if you cannot get parental consent and cannot locate your guardian, then you will need to petition the court to become "emancipated". Emancipation is a legal process that makes a minor legally independent.  However, in order to accomplish this, you will have to prove to the judge that you are emotionally and financially able to provide for yourself. Additionally, this all takes time, so you might just be better off waiting until you are 18 to marry.