- See Harbour for details of how to map ports and harbours.
- See The Rails Port for details of the OpenStreetMap codebase which was "ported" from pure Ruby to Ruby on Rails.
- Proposed_features/Seaway Proposal for a key about features related to the navigation on sea. Detailed port classification.
- Proposed_features/landuse=port - Proposal for tagging ports as harbour sub-areas
- Proposed features/Port - A rejected tag proposal