The typical asking rate per listing is in the $20's per square foot per year. The Vero Beach region is experiencing a a boost in rates. In the last 3 months, the median rate rose $26 per sqft per year.
In the last 90 days, 20 listings have been listed, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 60% of the available space in the Vero Beach 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 on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,750 sqft. Most buildings in this market are around 2 floors. Most buildings in this market were built in 1989 and are Class B.