Exuma is long and narrow. I'd be surprsed if there was a plant nursery there, but one never knows.
It might be useful to contact the Tourist Bureau in Nassau and ask.
Meanwhile to get a sense for what fruits you are likely to encounter in Bahamian gardens see if you can find a copy of
FIFTY TROPICAL FRUITS OF NASSAU
by Kendal & Julia Morton; pub. Text House, Coral Gables, Fl., 1946 (hardcover)
OK — HTH
Paul M.
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