Most listings are in the $20's per square foot per year. The Hilton Head Island region is experiencing a decrease in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 4% decline in rent.
In the last 90 days, 14 listings have been made available, which means new listings are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 143% of the available space in the Hilton Head Island 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,100 sqft. Most buildings in this area are around 3 floors. Most buildings in this market were built in 1986 and are Class A.