I have not ever taken an assignment with Access Nurses, but have spoken with them several times- they tend to really low-ball you with pay rates & benefits, to the point where I actually laughed at one of their recruiters when they told me they could only pay me $25/hour to work ER in Houston....
The only place I have worked in S. Florida is NCH healthcare (Naples Community Hospital & North Collier Hospital) in Naples, FL. I would not reccommend them to travelers, because they cancelled most of their travelers early due to low census...