Most listings are in the $20's per square foot per year. The Juno Beach submarket is going through a a boost in rates. In the last 3 months, the median rate went up $11 per sqft per year. That's a 57% increase in rent.
Compared to the rest of the Gold Coast market, the Juno Beach submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 2 listings have been made available, which means spaces are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 1,000 sqft. Most buildings in this region are close to 6 floors. Most buildings in this area were built in 2001 and are Class B.