Citrus, fishing, tourism and a significant drug-trade subtext are a big part of real Florida's rural economy. Trailer 2 shows plenty of visual cues that cover all of the above.
What the rural frames suggest
Citrus agriculture in frames depicting orange groves. Charter fishing in frames depicting a marina. Tourist-trap signage in highway frames. Illegal activity is implied in frames depicting a wetland and a trailer park.
Sidequests - conjecture - will probably draw on this lexicon. Story missions - also conjecture - will most likely use these as backdrops.