Most listings are in the $10's per square foot per year. The Fleming Island submarket is going through a a rise in rates. In the last 3 months, the median rate increased $20 per sqft per year. That's a Inf% rise in rent.
In the last 90 days, 13 listings have been posted online, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,110 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this market are approximately 1 stories. Most buildings in this area were built in 2006 and are Class A.