This was going to be my question, I knew in some states it is ok only if given by a parent. But apparently florida doens't have that exception.The reason answers may differ is that not all people realize that Florida is one of the handful of states that has no exceptions to their underage drinking laws. Here in Texas, our drinking age is 21 but I can "serve" my underage child alcohol if I am physically with them. (But I think an establishment can refuse that if they so desire.). In Florida it is definitely illegal for you to give your 19yr old son alcohol. How hard Disney would enforce that is unknown to me.