Most listings are in the $50's per square foot per year. The Palm Beach submarket is experiencing a decrease in rates. In the last 3 months, the median rate decreased $7 per sqft per year. That's a 10% decline in rent.
Compared to the rest of the Palm Beach market, the Palm Beach submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 22 listings have come on the market, which means new availabilities most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 5% of the listings in the Palm Beach are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 1,450 sqft. Most properties in this region are close to 3 floors. Most buildings in this area were built in 1973 and are Class B.