The typical asking rate per listing is in the $10's per square foot per year. The Fort Myers submarket is seeing a decrease in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 20% decrease in rent.
In the last 90 days, 34 listings have come on the market, which means office spaces are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,010 sqft. Most properties in this market are close to 2 floors. Most buildings in this area were built in 1985 and are Class B.