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IndonesiaMalaysia Indonesia / MalaysiaMalay ArchipelagoIsland

Sebatik Island

438 km² of land in the Celebes Sea.

When to go

Sebatik Island seen from space, cut out from the sea (Sentinel-2)
Wallace BaySungai NyamukBinalawan
N 5 km

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

In numbers

438km²

Area

97km

Coastline

174m

Highest point

15,000

People

30°C

Warmest sea

May

1,237km

To the mainland

When to go to Sebatik Island

Best for the beach from January to May.

The sea is warmest in May (30 °C) and coolest in February (28 °C). You can swim comfortably all year (21 °C or more).

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 Nunukan Regency, North Kalimantan Province, Indonesia

Sebatik Island is an island in Indonesia. It belongs to Malay Archipelago. It covers 438 km², with 97 km of coastline. Its highest point rises to 174 m. About 15,000 people live on it. The nearest mainland is 1,237 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 Sebatik Island.

  • 1beachesPantai Batu Lamampu
  • 1lighthouses
  • 5ferry terminalsPelabuhan Feri Liang Bunyu, Dermaga Penyeberangan Binalawan, Pelabuhan Kelas III Sungai Nyamuk and 2 more
  • 4hotels, guesthouses and apartments
  • 1restaurants, 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

Sebatik Island in our other atlases

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

  • 4mountainsPeakyas
  • Highest point

    11m

    Constance Peak

    according to Peakyas

4 mountains

on Peakyas, the mountain atlas

  1. Constance Peak11m
  2. Cornelis Peak
  3. Antoinette Peak
  4. Deli

Open Peakyas ↗

The shape of the land.

On average the island stands 50 m above the sea. 96 % of it is below 200 m.

  • 68 %0–50 m
  • 29 %50–200 m
  • 4 %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.

Sebatik Island438 km²
Madeira Island742 km²
Malta247 km²

20 km

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

Towns on the island

  • Wallace Bay2,987 people
  • Sungai Nyamukno census figure
  • Binalawanno census figure

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)282929292929282829292928
Night low (°C)242424252625252525252525
Sea (°C)292829303030292929292929
Rain (mm)225156227222250219230230198234244280
Wet days242023242625252423262728
Sun h/day5.25.86.16.46.36.16.06.25.95.55.85.7
Wind (km/h)666555665555

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+0.4+0.5+0.5+0.7+0.8+0.4+0.9+0.9+0.7+0.5+0.7+0.7
2021+0.5+0.2+0.2+0.4+0.3+0.5+0.3+0.9+0.4+0.8+0.8+0.5
2022+0.2+0.8+0.8+0.4+0.1+0.6+0.5+0.6+0.7+0.4+0.5+0.5
2023+0.6+0.6+0.3+0.4+0.5+0.3+0.2+0.7+0.3+0.9+1.1+1.0
2024+1.1+1.2+0.7+0.9+1.1+0.7+0.5+0.9+0.6+0.8+1.1+1.0
2025+1.0+0.9+0.4+0.4+0.4+0.3+0.6+0.5+0.3+0.7+0.6+0.8

+1 warmer than usual −1 cooler than usual

About these numbers

Names, area, populationWikidata (Q737814) · CC0
Outline© OpenStreetMap contributors · ODbL
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 waterfallsPeakyas — 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

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.Visit