Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
290km²
Area
147km
Coastline
470m
Highest point
Mount Komi
2,224
People
29°C
Warmest sea
July
420km
To the mainland
When to go to Iriomote Island
Best for the beach from April to August.
The sea is warmest in July (29 °C) and coolest in February (23 °C). You can swim comfortably all year (21 °C or more).
Averages 1991–2020. Sea: NOAA OISST, the water within 35 km of the coast. Air, rain and sun: NASA POWER. Best months weigh warm afternoons (23–30 °C), sea of 24 °C or more and few wet days.
Island in Okinawa, Japan
Iriomote Island is an island in Japan. It covers 290 km², with 147 km of coastline. Its highest point, Mount Komi, rises to 470 m. About 2,224 people live on it. The nearest mainland is 420 km away. It is part of a UNESCO World Heritage site.
Getting there
- New Ishigaki Airport (ISG)nearest airport with scheduled flights · 45 km in a straight lineCar hire at ISG airport (Ishigaki)Discover Cars · Affiliate link↗
- FerriesIshigaki-Uehara, Iriomote Island Ohara Port - Taketomi Island, Iriomote Island Ohara Port - Hateruma Island
- 420 km from the mainlanddistance to the nearest continental coast
- From April to Augustbest months to go (from 30 years of averages)
Plan the trip
Ferries, stays and things to do
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
On the island
What you find on Iriomote Island.
- 119beachesHoshisuna Beach, Ida Beach and 117 more
- 8viewpointsUrauchi River Observatory and 7 more
- 2lighthouses
- 10ferry terminalsUehara, Iriomote Ohara, Shirahama and 7 more
- 14named peaksMt. Komi, Mt. Haterumamori, Mt. Tedō and 11 more
- 8waterfallsPinaisāra Falls, Mizuochi Falls, Kanpirē Falls and 5 more
- 2ruins and archaeological sitesUtara Coal Mine
- 3dive centresBlue Zest, Waterman Iriomote, Cross River
- 3campsitesHaimida Campground
- 35hotels, guesthouses and apartments
- 21restaurants, cafés and bars
Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.
Cross-checked with our atlases
Iriomote Island in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Iriomote Island, each with its own numbers.
3mountainsPeakyas
4waterfallsCascadyas
Highest point
470m
Mount Komi
prominence 470 m · according to Peakyas
Tallest waterfall
55m
Pinaisāra Falls
according to Cascadyas
3 mountains
on Peakyas, the mountain atlas
- Mount Komiprominence 470 m470m
- Tedō-yama
- Goza-take
4 waterfalls
on Cascadyas, the waterfall atlas
- Pinaisāra Falls55m
- Mariyudu Falls20m
- Kanpirē Falls
- Mayagusuku Falls
Cascadyas is coming soonOpen Cascadyas ↗
The shape of the land.
On average the island stands 156 m above the sea. 62 % of it is below 200 m.
- 26 %0–50 m
- 36 %50–200 m
- 38 %200–500 m
Share of the island's area in each altitude band, from the Copernicus DEM (30 m, read at 30–240 m on large islands).
Size, for real
Next to islands you may know.
20 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Shirahama3,942 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 21 | 21 | 22 | 24 | 27 | 28 | 30 | 30 | 29 | 27 | 25 | 22 |
| Night low (°C) | 19 | 20 | 20 | 23 | 25 | 28 | 29 | 29 | 28 | 26 | 24 | 21 |
| Sea (°C) | 24 | 23 | 24 | 25 | 26 | 28 | 29 | 29 | 28 | 27 | 26 | 25 |
| Rain (mm) | 66 | 59 | 76 | 98 | 152 | 164 | 118 | 187 | 194 | 110 | 95 | 75 |
| Wet days | 16 | 14 | 16 | 16 | 18 | 20 | 18 | 21 | 18 | 16 | 16 | 16 |
| Sun h/day | 1.6 | 2.3 | 2.8 | 3.8 | 5.3 | 6.9 | 8.8 | 7.6 | 6.4 | 5.0 | 3.0 | 1.8 |
| Wind (km/h) | 28 | 27 | 26 | 24 | 21 | 24 | 24 | 22 | 25 | 29 | 28 | 30 |
Averages 1991–2020 for the ~55 km NASA POWER cell over the island; the sea from NOAA OISST.
Recent years
Warmer and cooler years at sea.
Each month's sea temperature compared with its 1991–2020 average, in degrees.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | +0.1 | +0.5 | +0.3 | ±0.0 | −0.2 | +0.8 | +0.6 | +0.6 | +0.6 | +0.9 | +0.1 | −0.5 |
| 2021 | −0.6 | +0.3 | +0.6 | +0.4 | +1.3 | +1.2 | +0.2 | +0.1 | +1.0 | +0.9 | +0.5 | +0.9 |
| 2022 | +0.3 | +0.4 | +0.3 | +0.5 | +0.5 | +0.7 | +0.8 | +1.4 | ±0.0 | +0.5 | +0.8 | +0.8 |
| 2023 | −0.1 | −0.3 | +0.5 | +0.6 | −0.5 | −0.6 | +0.1 | +0.4 | +0.3 | +0.5 | +0.8 | +0.6 |
| 2024 | +0.7 | +0.6 | ±0.0 | +2.1 | +1.2 | +1.0 | +1.3 | +1.2 | +1.6 | +1.5 | +1.1 | +0.6 |
| 2025 | −0.1 | −0.6 | +0.1 | −0.3 | +0.4 | +0.5 | ±0.0 | +0.3 | +1.2 | +1.7 | +1.1 | +0.7 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
Ishigaki Island
Japan223 km²529 m39 km away
Taketomi IslandJapan5.4 km²21 m28 km away
YonaguniJapan29 km²231 m84 km away
Tarama IslandJapan20 km²33 m97 km away
Miyako IslandJapan159 km²115 m160 km away
Taiwan Island
Taiwan35,883 km²3,952 m292 km away
Green IslandTaiwan15 km²86 m301 km away
Orchid IslandTaiwan46 km²185 m345 km awayAbout these numbers
| Names, area, population | Wikidata (Q432124) · CC0 |
|---|---|
| Outline | © OpenStreetMap contributors · ODbL |
| Sea temperature | NOAA OISST v2.1 · 1991–2020 |
| Climate | NASA POWER · 1991–2020 |
| Relief, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Beaches, ports, lighthouses, trails | © OpenStreetMap contributors · ODbL |
| Towns | GeoNames · CC BY 4.0 |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Beaches, mountains, lakes and waterfalls | Peakyas, Cascadyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0 |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
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