This is a website I found a while back that has the filming locations for (each season of) DEXTER (including Season 5). It's weird though because most of the locations are filmed in Southern California; but on rare occasions some locations are actually filmed in Miami. Anyway this is the website:

link

And I hope this helps.

I noticed a California lotto machine in the bowling alley scene season 2-1, and Calif. milk in season 3.