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Australia AustraliaIsland

Kangaroo Island

4,374 km² of land in the Gulf St Vincent.

When to go

Kangaroo Island seen from space, cut out from the sea (Sentinel-2)
Kingscote
N 20 km

Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.

In numbers

4,374km²

Area

399km

Coastline

measured on a simplified outline

174m

Highest point

4,250

People

20°C

Warmest sea

February

2km

To the mainland

When to go to Kangaroo Island

Best to visit from January to February.

The sea is warmest in February (20 °C) and coolest in August (14 °C). The water never reaches 21 °C: bring a wetsuit.

Sea temperature (the water level) Air: night low to afternoon high Wet days Best months

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 Australia

Kangaroo Island is an island in Australia. It covers 4,374 km², with 399 km of coastline. Its highest point rises to 174 m. About 4,250 people live on it. The nearest mainland is 2 km away.

Read more on Wikipedia

Getting there

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 Kangaroo Island.

  • 65beachesWest Bay, Sandy Beach, Knapman Creek Beach and 62 more
  • 38viewpointsCallitris Platform, Billygoat Falls lookout, Weirs Cove and 35 more
  • 1lighthousesCape du Couedic Lighthouse
  • 6named peaksHalfway Hill, Prospect Hill, Bunker Hill and 3 more
  • 1waterfallsBillygoat Falls
  • 12ruins and archaeological sitesWinch, Old Threshing Floor, Wrights Ruins and 9 more
  • 6waymarked walking routesKangaroo Island Wilderness Trail, KI Wilderness Trail side tracks, Snake Lagoon Hike and 3 more
  • 20campsitesChapman River Campground, Antechamber Bay Campground, D'estrees Bay Camp Ground and 17 more
  • 18hotels, guesthouses and apartments
  • 22restaurants, 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

Kangaroo Island in our other atlases

Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Kangaroo Island, each with its own numbers.

  • 12beaches and covesCoastya
  • 8lakesLakeyas
  • Largest lake

    8.1km²

    Murray Lagoon

    according to Lakeyas

  • Warmest lake

    24.6°C

    Lashmar Lagoon

    surface water, warmest month · according to Lakeyas

  • Beach with the warmest sea

    20.1°C

    Brownlow Beach

    sea in the warmest month · according to Coastya

12 beaches

on Coastya, the beach atlas

  1. American Beach19.6°C
  2. Brownlow Beach20.1°C
  3. Sandy Beach18.7°C
  4. Snelling Beach20.0°C
  5. King George Beach20.0°C
  6. Kangaroo Beach19.7°C
  7. Osmanli Beach19.7°C
  8. Mouth Flat Beach19.6°C

4 more on CoastyaOpen Coastya ↗

8 lakes

on Lakeyas, the lake atlas

  1. Murray Lagoon8.1km²
  2. Salt Lagoon2.7km²
  3. Lake Ada0.86km²
  4. Salt Lake0.67km²
  5. Lashmar Lagoon0.33km²
  6. Burgess Lagoon0.29km²
  7. New Lake0.28km²
  8. Larrikin Lagoon0.25km²

Lakeyas is coming soonOpen Lakeyas ↗

The shape of the land.

On average the island stands 99 m above the sea. 87 % of it is below 200 m.

  • 35 %0–50 m
  • 51 %50–200 m
  • 13 %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.

Kangaroo Island4,374 km²
Crete8,286 km²
Cyprus9,282 km²

100 km

All outlines drawn to the same scale (Natural Earth and OpenStreetMap).

Towns on the island

  • Kingscote1,915 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)222221191715141416171920
Night low (°C)171716151413121112121415
Sea (°C)192019181716151414151618
Rain (mm)161727335674706145272320
Wet days33461115151410655
Sun h/day10.39.07.96.34.94.54.85.87.08.19.29.7
Wind (km/h)242422212325272726252424

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.

JanFebMarAprMayJunJulAugSepOctNovDec
2020+0.3+0.1−0.4−0.6−0.5−0.1+0.4−0.2−0.3−0.2−0.1±0.0
2021−0.7−0.4±0.0+0.8+0.5+0.2±0.0±0.0+0.2−0.1−0.3−0.2
2022+0.4+0.3+0.6+0.1−0.1±0.0−0.3+0.1−0.1−0.1±0.0−0.1
2023+0.1−0.1+0.8+0.4±0.0+0.4+0.4+0.4+1.0+0.4−0.1−0.4
2024−1.2−0.1+0.3−0.9−1.2−0.4−0.3+0.3+0.4+0.9+0.8+1.8
2025+1.7+1.3+2.0+1.3+1.4+0.8+0.4+0.4+0.5+0.4±0.0+0.3

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Kangaroo Island kangaroos
Paul Asman and Jill Lenoble · CC BY 2.0
Australian water dragon, Kangaroo Island
Bernard Gagnon · CC BY-SA 4.0
Cape Barren geese (Cereopsis novaehollandiae) in flight Kangaroo Island
Charles J. Sharp · CC BY-SA 4.0
Cape Barren geese (Cereopsis novaehollandiae) in flight Kangaroo Island 2
Charles J. Sharp · CC BY-SA 4.0

About these numbers

Names, area, populationWikidata (Q210371) · CC0
OutlineNatural Earth · public domain
Sea temperatureNOAA OISST v2.1 · 1991–2020
ClimateNASA POWER · 1991–2020
Relief, 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Beaches, ports, lighthouses, trails© OpenStreetMap contributors · ODbL
TownsGeoNames · CC BY 4.0
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Beaches, mountains, lakes and waterfallsCoastya, Lakeyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST; HydroLAKES (Messager et al. 2016) · CC BY 4.0, LakeTEMP (Korver et al. 2024) · 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

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.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit
waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.You are here
riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit
canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Coming soonVisit