FBO Airport Marathon, Florida Keys

Capitol Steel Structures has officially begun the structural steel erection for the new terminal expansion at Marathon International Airport.

We’re proud to be part of a transformative project that supports the airport’s ongoing modernization and positions Marathon for the potential return of commercial air service. From fabrication to erection, our team is delivering the structural steel that will help shape the future of air travel in the Middle Keys.

Building Florida’s future—one structure at a time.