The typical asking rate per listing is in the $20's per square foot per year. The Sarasota region is going through a decline in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 10% decline in rent.
In the last 90 days, 18 listings have come on the market, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 11% of the available space in the Sarasota are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 2,750 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are around 2 floors. Most buildings in this region were built in 1957 and are Class Class B.