AG Prefix and Three-Character Location Code
Antigua And Barbuda uses the country prefix AG. A UN/LOCODE combines the two-letter country prefix with a three-character location identifier, such as AGSJS or AGANT.
Seaports in Antigua And Barbuda: Port Codes, Throughput & Regional Guide (2026)
Antigua And Barbuda has 5 ports and terminals indexed in the Ecer Freight database, serving Caribbean container, breakbulk, cruise, and regional supply-chain movements.
Review UN/LOCODE references, port coverage, regional roles, and indicative trade-lane guidance for Antigua And Barbuda.
Antigua And Barbuda Port Overview
Antigua And Barbuda is a small Caribbean maritime market. St. John's on Antigua is the principal commercial and cruise gateway, while Barbuda has a more limited local and coastal logistics role. Indexed coverage and public throughput rankings are separate measures.
5
Antigua And Barbuda ports & terminals indexed in our database
Ecer Freight database · Nov 2026
—
National maritime cargo throughput in tonnes, 2025; year-on-year change not publicly stated
Government maritime data · 2025
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Container throughput in TEU, 2025; year-on-year change not publicly stated
Official public statistics · 2025
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Commercial berth count, 2025; year-on-year change not publicly stated
Port and maritime authorities · 2025
How many seaports does Antigua And Barbuda have?
Antigua And Barbuda has 5 seaports and terminals indexed by Ecer Freight in its Nov 2026 database snapshot.
Which port is the main commercial gateway?
St.johns, Ag, listed under UN/LOCODE AGSJS, is the leading indexed commercial gateway, with St. Johns, AGSJO, also representing the St. John's port area.
Which areas handle Antigua And Barbuda's maritime traffic?
The principal cargo concentration is around Antigua, including AGSJS and AGANT, while AGANU and AGSJO reflect additional Antigua port records and AGBBQ covers Barbuda.
Top Ports in Antigua And Barbuda
The table below ranks the five Antigua And Barbuda port records indexed by Ecer Freight by local database activity order. No reliable public 2025 league-table throughput or year-on-year figures were identified for these individual small-market records, so the three market-statistic fields are shown consistently as unavailable rather than estimated.
Indexed port records and available 2025 market indicators
| World rank | Port | UN-LOCODE | 2025 throughput (M TEU) | YoY change | Region |
|---|---|---|---|---|---|
| — | St. Johns | AGSJO | — | — | Antigua |
| — | St.johns, Ag | AGSJS | — | — | Antigua |
| — | Antigua | AGANT | — | — | Antigua |
| — | Antigua | AGANU | — | — | Antigua |
| — | Barbuda | AGBBQ | — | — | Barbuda |
Antigua And Barbuda Port Regions
St. John's and Western Antigua
St. John's is the principal urban and maritime service area on Antigua. Records in this cluster may reflect city-level, facility-level, or naming-variant entries.
Ports serving the St. John's area
| Port | UN-LOCODE | City / Province | Main cargo role |
|---|---|---|---|
| St. Johns | AGSJO | St John's / — | Commercial, cruise, and general cargo gateway |
| St.johns, Ag | AGSJS | Antigua / — | Primary indexed commercial port record |
Antigua Island Port Records
These Antigua records represent port and terminal references used for cargo routing, documentation, and local delivery planning.
Antigua cargo and terminal references
Barbuda
Barbuda is a smaller island market with a limited port and coastal logistics role. Service frequency and cargo handling arrangements are subject to local operating conditions.
Barbuda port reference
| Port | UN-LOCODE | City / Province | Main cargo role |
|---|---|---|---|
| Barbuda | AGBBQ | Barbuda / — | Inter-island, local supply, and coastal cargo |
Antigua And Barbuda Port Code Guide
UN/LOCODE references support booking, customs, bills of lading, shipping instructions, and carrier system matching. Code availability and naming conventions should be checked before cargo submission.
City-Level and Terminal-Level Records
A city-level record may represent a broader port area, while a terminal-level record can identify a more specific operating location. Similar names, including St. Johns and St.johns, Ag, should be matched against the carrier booking system.
How to Verify a Port Code
Check the location against the UNECE reference framework and compare it with the Ecer Freight Port Codes directory before preparing shipping documents.
Shipping from Antigua And Barbuda: Main Trade Lanes
Antigua And Barbuda cargo is commonly routed through Caribbean transshipment networks and North American or European gateway services. Transit times are indicative only and depend on sailing schedules, transshipment, equipment, and customs clearance.
Antigua to North America
Containerized imports and exports may connect Antigua with United States and Canadian gateways through direct or transshipment services.
Antigua to the Caribbean
Regional feeder and short-sea services support movement between Antigua, the eastern Caribbean, and larger transshipment hubs.
Antigua to Europe
European cargo is generally handled through scheduled liner networks connecting the Caribbean with North European and Mediterranean gateways.
Barbuda and Inter-Island Supply
Barbuda movements are more dependent on local coastal services, vessel availability, weather, and onward connections from Antigua.
Data Sources and Methodology
This page separates Ecer Freight indexed coverage from official or publicly reported national and port statistics. Where an individual port does not have a reliable public 2025 throughput series, the relevant market fields remain unavailable rather than estimated.
- Ecer Freight Ports Database — first-party database snapshot for Nov 2026, containing 5 Antigua And Barbuda port and terminal records. View the Port Codes directory.
- UNECE — reference framework for UN/LOCODE country and location coding. UNECE.
- National maritime and transport authorities — used as the preferred reference category for official cargo, berth, and port-operation measures for 2025. Government of Antigua and Barbuda.
- NGA Maritime Safety Information — supplementary geographic and navigational reference for port and coastal-location verification. NGA Maritime Safety Information.
Antigua And Barbuda Port FAQ
How many seaports does Antigua And Barbuda have?
Antigua And Barbuda has 5 seaports and terminals indexed by Ecer Freight as of the Nov 2026 data snapshot.
What is the main port in Antigua And Barbuda?
St. John's is the principal commercial maritime gateway. The Ecer Freight sample includes St.johns, Ag, code AGSJS, and St. Johns, code AGSJO.
What port codes are used for Antigua And Barbuda?
The indexed codes use the AG country prefix and include AGSJO, AGSJS, AGANT, AGANU, and AGBBQ.
Which regions handle most Antigua And Barbuda cargo?
Most commercial activity is associated with Antigua, particularly the St. John's area. Barbuda has a smaller inter-island and local supply role.
How current is the Antigua And Barbuda port data?
The indexed port count is based on the Nov 2026 Ecer Freight snapshot. Public statistics are referenced by their latest available year, with 2025 preferred where published, and maritime service details remain subject to confirmation.
Are Antigua And Barbuda transit times guaranteed?
No. Transit times are indicative and can change with vessel schedules, transshipment, weather, equipment availability, port operations, and customs clearance.
How can shippers request an Antigua And Barbuda freight quote?
Shippers can compare indicative FCL and LCL options through the relevant Ecer Freight rate-search pages, then confirm routing, equipment, cargo details, and sailing schedules before booking.
Editorial note: Port names and UN/LOCODE references are based on the Ecer Freight database snapshot for Nov 2026. Public cargo, container, berth, and trade-lane information is reviewed against available official or institutional references, with page data reviewed quarterly. Individual service schedules and port operating conditions should be confirmed before shipment.
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