Compared to the rest of the San Diego market, the Coronado submarket has more expensive rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 2 listings have been listed, which means new listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 200% of the available space in the Coronado are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 680 sqft. Most properties in this area are around 3 stories. Most buildings in this region were built in 1991 and are Class B.