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FIRMS code

L491 MARES POINT MARINES - AKA M.A.T.S.

Deleted Importer's premises

This code is deleted in CBP's FIRMS list. Don't use it on new filings. FIRMSapi keeps deleted codes so lookups of old paperwork still resolve; check the port listing for a replacement.

Facility details

FIRMS code
L491
Name
MARES POINT MARINES - AKA M.A.T.S.
Address
8 RES PUERTA DE TIERRA, APT 102-PU
SAN JUAN, PR 00901-3166
Status
Deleted (D)
Facility type
Importer's premises (06)
CBP port
San Juan, PR (4909)
CBP region
4
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate L491 before you file

Validation fails L491: it's deleted, the reject ACE returns as 159. Search the port for an active replacement. 

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"L491","port":"4909","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.