Compared to the rest of the Metropolitan Los Angeles market, the Manhattan Beach region has more expensive rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 6 listings have been made available, which means leases most likley are going fast. 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 1,730 sqft. Most properties in this region are around 4 floors. Most buildings in this market were built in 1985 and are Class B.