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Port, Terminal, and Berth Polygons
Port, terminal, and berth polygons are exactly as they sound. They are data files which provide latitude/longitude points to create a polygon, which provide the exact outlines of an entire port (Including it’s anchorages), individual terminals through to the specific berths that vessels will eventually call at.
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Port, terminal, and berth polygons are geospatial datasets that define the physical boundaries of maritime infrastructure using latitude and longitude coordinates. They represent entire ports (including anchorages), individual terminals, and the specific berths vessels call at. These polygons are fundamental to understanding vessel activity at a granular level.
Coverage
Global coverage of major ports and terminals.
Varies by geography and commercial relevance, detailed berth-level mapping is often prioritised for key commodity and container ports.
Anchorages and outer port limits are typically included.
Lower-traffic or remote ports may have limited coverage
Sources
On-site port agents, port authority data, and verified satellite imagery
AIS integration to validate and calibrate polygon boundaries
Other maritime technology businesses who collect this data as a by-product of their main use cases
Methodology
Polygon Creation:
Defined using latitude/longitude coordinates to map boundaries of ports, terminals, and berths
Includes anchorages and auxiliary zones (e.g., bunkering areas)
AIS Matching:
Combined with AIS data to generate port call events (arrival, departure, berthing, anchorage, etc.)
Event Tagging and Alerts:
Enables real-time monitoring of vessel activities for operational planning, compliance, and commercial intelligence
Supports use cases such as bunker calls, congestion tracking, and berth productivity analysis
Why This Data?
Enables Actionable Events: Transforms raw vessel tracking into structured port activity insights
Operational Efficiency: Supports ETA forecasting, berth management, and turnaround analysis
Time-Saving: Pre-validated and complete datasets reduce internal geofencing and mapping overhead
Enhanced Confidence: Verified by specialists with local knowledge, reducing reliance on in-house mapping assumptions
Customisable: Suppliers often accommodate requests to map additional ports or facilities on demand