Air Cargo Is Up. So Why Is More Warehouse Space Sitting Empty Near MIA?

Miami Airport West posted an 11.7% industrial vacancy rate in the third quarter of 2026, the highest of any Miami-Dade submarket tracked by Ironmark. The firm’s November 1 report put vacancy at 9.4% in Medley and 7.8% countywide. Across the broader airport belt, which includes Airport West, Airport East, Airport North, Medley and Hialeah, occupied industrial space fell by 1.48 million square feet over the preceding 12 months.

More Cargo, Less Occupied Warehouse Space

Miami International Airport handled 2.74 million tons of cargo from January through September 2026, up 10.3% from the same period a year earlier, according to the report. Cargo tonnage measures how much freight moves through the airport. Warehouse occupancy measures how much space businesses use across the surrounding industrial market. Those figures can move in different directions as tenants consolidate operations, relocate or handle more freight within their existing footprints.

The airport belt also had roughly 797,000 square feet under construction, with about 11% preleased at the time of the report. That pipeline could add options for tenants whose move dates line up with deliveries.

What Doral Warehouse Tenants Should Compare

The 11.7% figure covers the broader Airport West submarket, so a Doral search still comes down to the buildings available in the right size range. A distributor that needs multiple dock-high doors and room for tractor-trailers will have a different shortlist from a service company that needs office space and a drive-in door.

For businesses weighing a renewal against a move, it’s worth comparing the total occupancy cost of suitable spaces, including operating expenses, buildout and moving costs. A warehouse with a lower asking rent can cost more to occupy if it needs substantial modifications or adds time to daily truck routes.

Source: Ironmark