Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
386km²
Area
324km
Coastline
580m
Highest point
Gyeryongsan (South Gyeongsang Province)
241,711
People
26°C
Warmest sea
August
When to go to Geojedo
Best for the beach from August to September.
The sea is warmest in August (26 °C) and coolest in February (14 °C). Comfortable swimming (21 °C or more): from July to October.
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 South Korea
Geojedo is an island in South Korea. It covers 386 km², with 324 km of coastline. Its highest point, Gyeryongsan (South Gyeongsang Province), rises to 580 m. About 241,711 people live on it.
Getting there
- Gimhae International Airport (PUS)nearest airport with scheduled flights · 46 km in a straight lineCar hire at PUS airport (Busan)Discover Cars · Affiliate link↗
- Ferries14 ferry terminals on the island
- From August to Septemberbest 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 Geojedo.
- 33beachesDeokpo Beach, Dolteumi Beach, Gujora Beach and 30 more
- 50viewpoints
- 9lighthouses
- 14ferry terminalsNaedo Ferry, Dojangpo Ferry Terminal, Camelia Island Jishimdo Terminal and 11 more
- 3marinasHaegeumgang Ferry, Jangseungpo Cruise Ship, Marina Bay
- 123named peaksGarasan, Gyeryongsan (Mountain), Nojasan and 120 more
- 2waterfallsMundong Waterfall
- 5castles and fortsDundeok Castle (Deposed King Castle) and 4 more
- 6ruins and archaeological sites
- 15campsitesTourism Farm Park Munhwa, Esther Prayer House, Geumsegi Resort and 12 more
- 245hotels, guesthouses and apartments
- 544restaurants, 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
Geojedo in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Geojedo, each with its own numbers.
2beaches and covesCoastya
13mountainsPeakyas
Highest point
566m
Gyeryongsan (South Gyeongsang Province)
according to Peakyas
Beach with the warmest sea
26.2°C
Heungnamhaesuyokjang
sea in the warmest month · according to Coastya
2 beaches
on Coastya, the beach atlas
- Heungnamhaesuyokjang26.2°C
- Nongsomongdolhaesuyokjang26.2°C
13 mountains
on Peakyas, the mountain atlas
- Gyeryongsan (South Gyeongsang Province)566m
- Tongmang-san
- Wangjo-san
- Daegeum San
- Noja-san
- Ognyeo Bong
- Ch'onjang-san
- Kari-san
5 more on PeakyasOpen Peakyas ↗
The shape of the land.
On average the island stands 127 m above the sea. 77 % of it is below 200 m.
- 30 %0–50 m
- 48 %50–200 m
- 22 %200–500 m
- <1 %500–1,000 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
- Geoje232,921 people
- Sinhyeon82,560 people
- Kyosai72,124 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 6 | 8 | 12 | 16 | 21 | 24 | 26 | 28 | 25 | 20 | 14 | 8 |
| Night low (°C) | -1 | 1 | 4 | 8 | 13 | 18 | 22 | 24 | 19 | 13 | 7 | 1 |
| Sea (°C) | 15 | 14 | 14 | 14 | 16 | 20 | 23 | 26 | 25 | 22 | 19 | 17 |
| Rain (mm) | 30 | 52 | 79 | 137 | 144 | 175 | 299 | 244 | 176 | 75 | 46 | 33 |
| Wet days | 4 | 5 | 7 | 8 | 9 | 11 | 16 | 15 | 10 | 5 | 5 | 4 |
| Sun h/day | 5.7 | 6.0 | 6.6 | 6.7 | 7.1 | 5.5 | 4.1 | 5.2 | 4.8 | 6.1 | 5.5 | 5.6 |
| Wind (km/h) | 20 | 19 | 18 | 17 | 15 | 14 | 15 | 15 | 17 | 17 | 17 | 19 |
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 | +0.5 | +0.3 | +0.7 | +0.1 | −0.3 | +0.1 | −1.9 | −0.7 | −0.3 | −0.4 | −0.3 | −0.8 |
| 2021 | −0.6 | +0.6 | +0.6 | +1.0 | +0.2 | +1.1 | +2.3 | +0.8 | +0.4 | +2.1 | −0.3 | −0.6 |
| 2022 | −0.3 | −1.1 | −0.3 | +0.3 | +0.5 | +0.1 | +1.4 | +0.1 | +0.6 | +0.5 | +0.5 | ±0.0 |
| 2023 | −0.7 | +0.1 | +1.3 | +1.2 | +0.5 | +0.9 | +0.2 | +1.5 | +1.8 | −0.1 | −0.5 | −0.6 |
| 2024 | −0.3 | +0.2 | +0.1 | +1.4 | +1.3 | +1.0 | −0.7 | +2.5 | +3.7 | +2.2 | +1.2 | −0.8 |
| 2025 | −1.3 | −1.7 | −1.6 | −1.3 | −0.9 | −0.5 | +2.1 | +1.5 | +2.2 | +2.7 | +1.3 | +0.3 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.

Nearby
More islands nearby.
Tsushima Island
Iki Island
Okinoshima
Hirado Island
Jindo
Kyushu
Hashima Island
Nagashima IslandAbout these numbers
| Names, area, population | Wikidata (Q485222) · 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 | Coastya, Peakyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.