The most predictable place to see Burms is the Everglades National Park road. They can be found on that road at night. HOWEVER, if you go there to look for them, you can't have any herping gear in your car (hooks, bags, jars, etc). Everything you see is observation only. You can take photos, but you can't touch anything.
Iguanas are everywhere around the Miami area. A good place to see and photograph Iguanas and Ctenosaurs (and Basilisks) is the old Crandon Park Zoo grounds on Key Biscayne. Again - no catching, but you will see them and get good photo ops.



Around West Palm Beach you will see Curly-tailed Lizards in the parking lots of stores (they bask on the curbs) -

There are populations of a variety of other lizards around Miami, including things like Red-headed Agamas. There is a school down near Homestead (Redland's school?) that as a decent population on its rock fence. They are VERY wary, but you could get some photos.

Any park in Miami will have exotic lizards. Watch for Knight Anoles on larger trees.

For things like Pygmy Ratters, cruise quiet roads almost anywhere. The same is true for Cottonmouths.
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Chris Harrison
San Antonio, Texas