NothingNow
Banned
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Interesting.
So there might be differences, but it won't be an economic powerhouse to help the rest of the CSA along.
Not necessarily that poor either if I'm understanding you right (will read the link in a bit, possibly going to be going out to eat soonish), but not enough to make up for the CSA's disadvantages.
Oh, it certainly won't. Key West lives and dies by the Maritime courts and salvage law (and was only considered wealthy by dint of there only being 3000 people on the Island, all directly involved in, or immediately supporting the Wrecking industry, which had a fairly high casualty rate,) and most of south Florida was openly hostile to the state government in Tallahassee, and rather indifferent to the federal government.
The Union Navy would also sooner allow Key West to re-earn it's old name of Cayo Hueso in a very literal and immediate form than give up a very well defended, and extremely strategic position, same with the Dry Tortugas.
Otherwise Florida's really just a liability with some nice stands of Oak.
The Rest of the State will really only be valuable to the CSA for Salt, Beef, timber and small amounts of Sugar, and would be a smuggler's paradise.