Different culture, you can't be naive.   

Then would consider what is the draw to that region, is it the tropical nature of the region or is it an interesting cultural aspect such as the local college?

Different culture and mentality down there. 

I have been on the island before and I realize there is a difference in culture.

@Caleb RichardsonOaxaca is a charming city with tons of art, culture, and tradition.

I’m interested in contemporary duplex designs that lend themselves to rentals.

tampa bays growing economy and cultural scene makes it a no brainer, areas just outside as many here have already said, like dunedin (my fav lil town), bradenton with its proximity to anna maria island, or tarpon springs  and palm harbor all offer great coast lines that are not overly populated. as i understand it pinellas county has dropped its efforts to stop str and decided to tax them at a different  rate.

Our culture is responding to emotions, feelings, and perceptions over the rule of law.  

Science says so. https://www.rd.com/culture/hair-loss-shaved-head-sexy/ 

There are also rents set by number of bedrooms, and lastly a growing AirBnB culture - geared more toward SFR.Good luck, and Rosendale has some great restaurants and festivals to check out!