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islandyas
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A field atlas of the world's islands

Every island,
from the sea up.

Its shape from space, the sea around it month by month, the best time to go and what is on it — for 13,080 islands, from Madeira to Bora Bora.

When to goThe largestThe map

13,080islands on the map

1,500island guides

161countries

12seas

Pick a month

Islands at their best in July

Warm afternoons, warm sea and few wet days, from 30 years of averages. The coloured chip is the sea temperature that month.

How we know

Built on open data.

Every number on Islandyas comes from a public, citable dataset — the same ones scientists and mapmakers use. Nothing is invented and nothing is paid for.

See the sources

  • Wikidataislands, names, areas and populations in every language
  • Natural Earththe outline of every larger island, and the seas
  • NOAA OISSTthe temperature of the sea around every island since 1991
  • NASA POWERair, rain, sun and wind since 1991
  • Copernicus DEMthe world's relief every 30 m
  • OpenStreetMapbeaches, ports, lighthouses, trails and exact coastlines

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