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Miyako

Shirotori Hall (Irabu)

  • Max depth10 m
  • CertificationCavern
  • Water temperature≈ 20–29 °C, varies with the seasonestimated, no reports yet
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Diving and fills

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The dive

According to the dive centre the strongest light in Miyako falls in here, in beams like lasers. Practical: the site only works ~20% of the time; when it does, the dive centre says it is worth it.

The entrance and exit face so that any swell causes surge in the hall; only dive it in calm conditions.
Source: BIGHOLIDAY – 伊良部島ダイビングポイント ↗
Profile and sections

According to the dive centre the strongest light in Miyako falls in here, in beams like lasers.

Practical: the site only works ~20% of the time; when it does, the dive centre says it is worth it.

Source: BIGHOLIDAY – Irabujima dive sites ↗Source: BIGHOLIDAY – 伊良部島ダイビングポイント ↗
Depth and profile
To 10 m: a hall with an entrance and an exit.
Configuration
Hall with daylight and surge: cavern level (estimate).
Who can dive where
  • CaveAt least Cavern
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 10 m (trimix or deco may be needed) · doesn't decide who may dive
Entry or dive feeThrough a dive centre or guide

This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.

Source: BIGHOLIDAY – Irabujima dive sites ↗Source: BIGHOLIDAY – 伊良部島ダイビングポイント ↗

How to get there

Boat dive off Irabu with a local dive centre; only in calm seas.

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Around Shirotori Hall (Irabu)

FillsNo fill station known nearby
Other sites6

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Sources, sharing and disclaimer

Sources

Source: BIGHOLIDAY – Irabujima dive sites ↗Source: BIGHOLIDAY – 伊良部島ダイビングポイント ↗

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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (Oct 2026): ja.wikipedia, showcaves.com, the dive centres' websites (BIGHOLIDAY, Sun Island, Aquatic Adventure), visitokinawajapan.com, nap-camp, skyticket, the prefectural Miyako hospital, Ryukyu Shimpo and DAN. Toriike pin from Wikipedia; the boat sites have none. These are guided boat dives into caverns, halls and arches; the requirements come from the dive centres. Certification and configurations are estimates.