On average, listings lease in the $10's per square foot per year. The Fort Myers region is going through a a boost in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 9% rise in rent.
In the last 90 days, 31 listings have come on the market, which means leases might be going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,200 sqft. Most buildings in this market are close to 2 floors. Most buildings in this market were built in 1985 and are Class B.