Most listings are in the $10's per square foot per year. The Fernandina Beach region is seeing a a rise in rates. In the last 3 months, the median rate went up $16 per sqft per year.
In the last 90 days, 7 listings have been made available, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. About 71% of the available leases in the Fernandina 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,560 sqft. Most buildings in this market are around 2 stories. Most buildings in this region were built in 2000 and are Class B.