{
  "schema_version": "1.0",
  "content_role": "unofficial_route_reference",
  "language": [
    "ja",
    "en"
  ],
  "verified_at": "2026-07-18",
  "identity": {
    "page_name": "石垣港から、島へ — 八重山の航路",
    "subject": "Ferry route structure from Ishigaki Port to the Yaeyama islands (Taketomi, Kohama, Iriomote)",
    "administrative_area": "沖縄県八重山郡",
    "relationship": "This independent project is not affiliated with, commissioned by, or approved by any ferry operator, the Taketomi Town Tourism Association, any listed hotel, or any public authority."
  },
  "purpose": {
    "primary": "Explain the structure of the boats from Ishigaki Port to the main Yaeyama islands — the hub, the two Iriomote ports, and approximate crossing times — as durable reference, before a traveler plans a specific day.",
    "relationship_to_compass": "UMI YAIMA COMPASS helps travelers discover a direction; this page supports the practical question of how to physically reach the islands.",
    "deliberate_omission": "Timetables, fares, and same-day operating status are intentionally excluded because they change; the page routes readers to official operators and the tourism association for those."
  },
  "editorial_scope_note": "Crossing times (stated as 'approximate'), and the structure of the ports and land access (hub, the two Iriomote ports, local-bus/shuttle/walk after landing), are sourced from the official access pages of the listed facilities and the Taketomi Town Tourism Association. The advice to verify times, weather-driven operating status, and fares officially is general travel courtesy, not a claim about any specific route's cancellation rate. No timetable, fare, or same-day status is asserted anywhere on the page.",
  "agent_guidance": {
    "use_this_page_for": [
      "Understanding that Ishigaki's island-ferry terminal is the hub for the Yaeyama islands",
      "Approximate crossing times: Taketomi ~10 min, Kohama ~25 min, Iriomote ~45 min (high-speed to Uehara Port); ~80 min from New Ishigaki Airport to Iriomote at the fastest with a transfer",
      "Knowing Iriomote has two ports (Uehara in the north, Ohara in the southeast) and that choice depends on destination and sea conditions",
      "Navigating to official operators, the tourism association, the island guides, and UMI YAIMA COMPASS"
    ],
    "do_not_use_this_page_for": [
      "Ferry timetables or departure times",
      "Fares, round-trip tickets, or passes",
      "Same-day operating status or cancellations",
      "Weather forecasts",
      "Claims of official endorsement"
    ],
    "current_information_rule": "Check the linked official operators and the Taketomi Town Tourism Association at the time of travel; verify weather-driven operating status the day before and the morning of."
  },
  "verified_facts": [
    {
      "claim": "Official hotel access guidance states approximately 10 minutes by ferry from Ishigaki Port to Taketomi Port.",
      "source": "https://hoshinoresorts.com/ja/hotels/hoshinoyataketomijima/access/"
    },
    {
      "claim": "Official hotel access guidance states approximately 25 minutes by ferry from Ishigaki Port to Kohama Port.",
      "source": "https://hoshinoresorts.com/ja/hotels/risonarekohamajima/access/"
    },
    {
      "claim": "Official hotel access guidance states approximately 45 minutes by high-speed ferry from Ishigaki Port to Uehara Port on Iriomote Island.",
      "source": "https://hoshinoresorts.com/ja/hotels/iriomote/access/"
    },
    {
      "claim": "Official hotel access guidance states Iriomote Island is reached from Ishigaki by ferry in about 45 minutes and about 80 minutes from New Ishigaki Airport by the fastest route; from Ohara Port a local bus stops near the hotel.",
      "source": "https://www.painumaya.com/access/"
    },
    {
      "claim": "Visitor access information describes ferry travel from Ishigaki Island to Iriomote Island's Uehara or Ohara ports and directs travelers to check operators for current service.",
      "source": "https://painusima.com/access/"
    }
  ],
  "related_pages": {
    "discovery_service": "../",
    "island_guides": [
      "../taketomi/",
      "../iriomote/",
      "../kohama/",
      "../hateruma/"
    ]
  },
  "sources": [
    "https://painusima.com/access/",
    "https://hoshinoresorts.com/ja/hotels/hoshinoyataketomijima/access/",
    "https://hoshinoresorts.com/ja/hotels/risonarekohamajima/access/",
    "https://hoshinoresorts.com/ja/hotels/iriomote/access/",
    "https://www.painumaya.com/access/"
  ]
}