You might try this on the South-Atlantic forum. This forum doesn't include Florida so the people that would best be able to answer your question might not see this.
I went to the Keys last year on vacation and plan to go back this summer. The Keys are not the place to be for breweries but Key West has a World of Beer, sterile but incredible selection, and The Porch beer bar. The Porch has a great rustic vibe, stellar selection and is a lot of fun.
