I lived in Ft. Lauderdale for about 10 years, stones through away from Miami. Gotta agree with Craig_Richie - I'd avoid Miami if I was visiting for the reasons he mentioned. He's also given some great fishing advice!
If you have an Iphone or Ipad send me a PM and I will hook you up with a Free app download of Pro Angler Florida - Got all your tides, species info, regs, reports and buncha of other cool stuff.