Port Guide & Distances is an offline maritime toolkit for seafarers, combining worldwide port information, distance and ETA calculations, maritime map layers, Port Tips and a personal voyage log.
The app includes permanently free functions, free full-access uses for testing professional tools, and optional paid access through a subscription or Marcoin.
Free Access
• Worldwide list of countries and ports
• Coordinates, country, UN/LOCODE and brief port information
• 9 complete Port Guide views
• Full world map, GPS position and maritime layers
• 3 complete Port Distance calculations
• Unlimited Port Tips
• Free ports and voyages in Port History
Port Guide
Search ports worldwide and access information for voyage planning and ship operations.
Detailed data may include pilotage, anchorages, restrictions, VHF channels, terminal information and other useful port details.
Every new user receives 9 detailed port views free of charge. After they are used, detailed information can be opened with a subscription or Marcoin. Marcoin is deducted only when a detailed port view is opened.
Find ports on the world map, identify nearby ports and open their details directly from the map.
Port Distances & Route Planning
Calculate sailing distance and estimated voyage time between ports worldwide.
Every new user receives 3 complete calculations free of charge, including:
• Distance and ETA calculation
• Up to 10 intermediate ports
• Multi-leg voyage planning
• Interactive route visualization
• Route points and coordinates
• Alternative routing options
• Selected strait avoidance
• GPS position on the map
After the free calculations are used, additional routes can be calculated with a subscription or Marcoin.
Maritime Map Layers
Use overlays such as:
• Emission Control Areas
• Load Line zones
• War Risk Areas
• NAVTEX areas
• Traffic Separation Schemes
• Anchorages
• Buoys, lighthouses and wrecks
The world map, GPS position and available map layers remain free.
Port Tips
Port Tips is a free community section with practical information shared by seafarers.
Browse approved tips about cargo operations, terminals, draft surveys, mooring, clearance, anchorages, shore leave, local services and other port-related matters.
Submit your own Port Tip and receive Marcoin after approval. Earned Marcoin can be used for detailed Port Guide views and additional Port Distance calculations without buying a subscription.
Port History
Create your personal record of ports and voyages.
Free functions:
• Add visited ports
• Create voyages
• Keep a structured voyage history
• Open saved ports in Port Guide
• Open Port Distance from a saved voyage
Advanced subscription functions may include:
• Voyage attachments, documents, photos and reports
• Automatic route calculation and visualization
• Voyage and port-call statistics
• PDF report generation and sharing
• Backup and restore
Offline Use
Internet is required for the initial setup of Port Guide and Port Distance, online Port Tips, synchronization and data updates. After initialization, the main port database, map and route-planning functions are available offline.
Flexible Access
• Use permanently free functions
• Use the included free professional views and calculations
• Earn Marcoin through approved Port Tips
• Buy Marcoin and pay only when using a professional function
• Activate a subscription for regular professional use
A subscription is not required to use the free sections.
Important Notice
Routes, distances and ETAs are estimates and may vary due to navigation restrictions, weather, currents, vessel characteristics and route selection.
The app does not replace official nautical charts, Notices to Mariners, publications, company procedures or professional judgment.
