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FIRMS code

LAE4 Marathon International Airport

Active CBP administrative site

Facility details

FIRMS code
LAE4
Name
Marathon International Airport
Address
9400 Overseas Hwy
Marathon, FL 33050-3303
Status
Active (A)
Facility type
CBP administrative site (08)
CBP port
Port 5281, FL
CBP region
4
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate LAE4 before you file

Check LAE4 against the port and use on your filing before ACE does: list, status, port (ACE 164) and facility type. 

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"LAE4","port":"5281","use":"location_of_goods"}'
Get a free key Validation guide

Source: U.S. Customs and Border Protection FIRMS code list, data as of 2026-10-23. FIRMSapi is not affiliated with CBP; confirm bond status and filing details in ACE.