Most listings are in the $30's per square foot per year. The Vero Beach submarket is seeing a a boost in rates. In the last 3 months, the median rate rose $5 per sqft per year. That's a 18% rise in rent.
In the last 90 days, 20 listings have come on the market, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. About 25% of the available leases in the Vero Beach are subleases, so you might be able to find a shorter term or below market rent. 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 740 sqft. Most properties in this market are close to 2 floors. Most buildings in this area were built in 1989 and are Class B.