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Miami-Dade County is moving forward with plans to develop a second commercial airport, and the county now has three specific sites on the table. Mayor Daniella Levine Cava presented a 63-page assessment to county commissioners earlier this month, narrowing an initial list of eight candidate sites down to three finalists. Commissioners quickly embraced the findings and directed the mayor to conduct deeper analysis and identify funding sources within 90 days.
The three options under consideration are: expanding Miami Executive Airport (Tamiami) into a full commercial facility, upgrading Miami Homestead General Aviation Airport to commercial service, or constructing an entirely new airport on undeveloped land situated between those two existing airports.
The urgency behind the effort is directly tied to capacity limits at Miami International Airport (MIA), which serves as the county’s primary economic engine. The county’s report notes that MIA is currently operating at roughly 80% of its annual airfield capacity. Federal Aviation Administration planning standards call for airports to begin developing new capacity at that threshold, meaning Miami-Dade is at the planning trigger point right now. Without action, the county risks MIA becoming a bottleneck similar to congested major hubs on the East Coast.
Developing either of the existing general aviation airports into a commercial facility is projected to take 12 to 15 years. Building from scratch would require 20 or more years. A final commission vote to proceed would start that clock, meaning the decisions made in the coming months will shape South Florida’s aviation infrastructure for decades.
Funding Framework
On funding, Commissioner Oliver Gilbert III signaled that the project would likely be financed through the Miami-Dade Aviation Department as a proprietary system, drawing on user fees, passenger facility charges, and debt financing rather than general county revenues. The mayor’s report also identified potential federal and state funding sources, as well as public-private partnerships.
The new airport is envisioned as a supplemental facility, not a replacement for MIA, which will continue as the county’s principal hub. The goal is to relieve pressure on MIA while creating capacity for continued growth in both passenger and cargo traffic.
The mayor is expected to report back to commissioners by June 3, 2026 with refined analysis and a funding framework.
About Gazitua Letelier
This development carries significant implications for businesses operating in South Florida’s aviation, construction, infrastructure, and logistics sectors. Large-scale airport development of this nature creates substantial contracting and procurement opportunities at every stage, from environmental review and land acquisition through design, construction, and ongoing operations. As a Miami-based lobbying and government relations firm, Gazitua Letelier specializes in helping companies navigate the complex regulatory landscape surrounding large-scale projects, like a new Miami-Dade commercial airport. Our expertise can ensure that your business is well-positioned to capitalize on these opportunities. Contact us to learn more.