Skip to content
islandyas
EN

Greece GreeceIsland

Kasos

65.8 km² rising to 596 m out of the Mediterranean Sea.

When to go

Kasos seen from space, cut out from the sea (Sentinel-2)
Fry
N 2 km

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

In numbers

65.8km²

Area

68km

Coastline

596m

Highest point

25°C

Warmest sea

August

140km

To the mainland

When to go to Kasos

Best for the beach from July to September.

The sea is warmest in August (25 °C) and coolest in February (16 °C). Comfortable swimming (21 °C or more): from June to October.

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 of Greece

Kasos is an island in Greece. It covers 65.8 km², with 68 km of coastline. Its highest point rises to 596 m. The nearest mainland is 140 km away.

Read more on Wikipedia

Getting there

  • Karpathos Airport (AOK)nearest airport with scheduled flights · 20 km in a straight lineCar hire at JSH airport (Crete Island)Discover Cars · Affiliate link
  • FerriesSitia - Kasos, Kasos - Karpathos, Kasos - Leros, Kasos - Rhodes
  • 140 km from the mainlanddistance to the nearest continental coast
  • From July 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 Kasos.

  • 7beachesTrita Beach, Mikro Avlaki beach, Chochliákia and 4 more
  • 6viewpoints
  • 2lighthouses
  • 1ferry terminals
  • 1named peaks
  • 1ruins and archaeological sitesEllinika Grammata
  • 9waymarked walking routesKassos Trail 1, Kassos Trail 1A, Kassos Trail 2 and 6 more
  • 9hotels, guesthouses and apartments
  • 24restaurants, 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

Kasos in our other atlases

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

  • 1beachCoastya
  • 2mountainsPeakyas
  • Beach with the warmest sea

    25.1°C

    Ormískos Chélatros

    sea in the warmest month · according to Coastya

1 beaches

on Coastya, the beach atlas

  1. Ormískos Chélatroscove25.1°C

Open Coastya ↗

2 mountains

on Peakyas, the mountain atlas

  1. Prionas Oros
  2. Korakas Oros

Open Peakyas ↗

The shape of the land.

On average the island stands 232 m above the sea. 44 % of it is below 200 m.

  • 12 %0–50 m
  • 32 %50–200 m
  • 53 %200–500 m
  • 3 %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.

Kasos66 km²
Santorini76 km²
Manhattan54 km²

10 km

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

Towns on the island

  • Fry357 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)151516182024262625222017
Night low (°C)141314161922242524211815
Sea (°C)171616171922242525232118
Rain (mm)11388492918622164665109
Wet days16141085201491115
Sun h/day4.55.37.49.010.712.512.611.59.97.75.74.2
Wind (km/h)262523201820242322202124

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+0.6+0.2+0.2+0.9±0.0+0.2+0.6+1.6+1.5+0.8+1.4
2021+2.0+1.0+1.0+0.7+0.8+0.3+0.4+0.8+0.2+0.1+0.7+0.4
2022+1.0+0.7+0.6+0.3+0.3+0.1−0.9+0.1+0.4−0.8−0.6+0.9
2023+2.1+1.0+0.9+0.4−0.4−0.2+0.8+1.5+1.4+1.6+2.5+1.9
2024+2.5+1.0+1.2+1.2+0.4+1.1+1.5+1.7+1.2+0.4+0.3+0.9
2025+1.2+1.3+0.8+0.3+0.5+0.1+1.5+0.8+0.2+0.4+1.1+1.3

+1 warmer than usual −1 cooler than usual

About these numbers

Names, area, populationWikidata (Q533410) · 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 waterfallsCoastya, 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.

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