Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
76.0km²
Area
71km
Coastline
567m
Highest point
17,430
People
24°C
Warmest sea
August
167km
To the mainland
When to go to Santorini
Best for the beach from July to September.
The sea is warmest in August (24 °C) and coolest in February (16 °C). Comfortable swimming (21 °C or more): from June 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.
Greek island in the Cyclades
Santorini is an island in Greece. It belongs to Cyclades. It covers 76.0 km², with 71 km of coastline. Its highest point rises to 567 m. About 17,430 people live on it. The nearest mainland is 167 km away.
Getting there
- Santorini International Airport (JTR)airport on the island, with scheduled flightsCar hire at JTR airport (Santorini Island)Discover Cars · Affiliate link↗
- FerriesOia - Old Port Fira, Santorini New Port - Nea Kameni, Naxos - Santorini (Athinios), Old Port Fira - Santorini New Port
- 167 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 Santorini.
- 21beachesKatharos beach, Red Beach, Vlychada beach and 18 more
- 62viewpointsunique view to volcano, Red Beach, Akrotiri Castle and 59 more
- 2lighthousesCape Akrotiri Lighthouse
- 6ferry terminalsThira(Santorini) - Athinios Port, Santorini Old Port - Fira, Thira (Santorini) - Athinios Port and 3 more
- 2marinasMarina Exomitis / Vlychada
- 5named peaksProfitis Illas, Mesa Vouno, Kokkino Vouno and 2 more
- 3volcanoesMavro Vouno
- 7castles and fortsAkrotiri Castle, Castle of Skaros, Citadel of Oia and 4 more
- 12ruins and archaeological sitesSkaros, Sanctuary of Artemidoros, Sanctuary of Aphrodite and 9 more
- 3dive centresNavy's Waterworld Diving Center, Caldera Dive, Mediterranean Dive Club
- 19waymarked walking routesSantorini Trail 01 - Pyrgos - Prophet Elias Monastery - Ancient Thera, Santorini Trail 02 - Mesa Gonia - Pyrgos - Emporio, Santorini Trail 03 - Perissa - Ancient Thera - Kamari and 16 more
- 1campsitesSantorini Camping
- 410hotels, guesthouses and apartments
- 437restaurants, 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
Santorini in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Santorini, each with its own numbers.
18beaches and covesCoastya
Beach with the warmest sea
24.4°C
sea in the warmest month · according to Coastya
18 beaches
on Coastya, the beach atlas
- Kántharos24.4°C
- Arméni24.4°C
- Xiropígado24.4°C
- Gialós Karterádou24.4°C
- Períssa24.4°C
- Almyrá24.4°C
- Monólithos24.4°C
- Paralía Vourvoúlos24.4°C
10 more on CoastyaOpen Coastya ↗
The shape of the land.
On average the island stands 110 m above the sea. 84 % of it is below 200 m.
- 31 %0–50 m
- 53 %50–200 m
- 16 %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.
10 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Emporeío3,704 people
- Firá2,376 people
- Mesariá1,233 people
- Oía1,087 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 15 | 15 | 16 | 18 | 21 | 25 | 27 | 27 | 25 | 22 | 19 | 16 |
| Night low (°C) | 13 | 13 | 14 | 15 | 18 | 22 | 24 | 24 | 23 | 20 | 17 | 14 |
| Sea (°C) | 16 | 16 | 16 | 17 | 19 | 22 | 24 | 24 | 24 | 22 | 20 | 18 |
| Rain (mm) | 96 | 81 | 44 | 26 | 19 | 5 | 2 | 2 | 18 | 44 | 64 | 87 |
| Wet days | 13 | 11 | 8 | 5 | 3 | 1 | 0 | 0 | 2 | 6 | 9 | 13 |
| Sun h/day | 4.2 | 4.9 | 7.1 | 8.9 | 10.6 | 12.5 | 12.6 | 11.6 | 9.8 | 7.4 | 5.5 | 3.9 |
| Wind (km/h) | 26 | 26 | 24 | 21 | 18 | 19 | 23 | 23 | 21 | 21 | 22 | 25 |
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 | +0.3 | +0.4 | +0.3 | +0.3 | +0.8 | ±0.0 | +0.1 | +0.4 | +1.5 | +1.9 | +1.0 | +0.9 |
| 2021 | +1.4 | +1.1 | +0.9 | +0.8 | +0.8 | +0.8 | +0.8 | +0.8 | +0.3 | −0.1 | +0.5 | +0.4 |
| 2022 | +1.0 | +0.7 | +0.6 | +0.2 | +0.5 | ±0.0 | −0.8 | +0.1 | +0.6 | −0.9 | −0.5 | +0.6 |
| 2023 | +1.5 | +0.4 | +0.5 | +0.4 | −0.5 | −0.5 | +1.0 | +1.7 | +1.4 | +1.3 | +2.2 | +1.9 |
| 2024 | +1.9 | +1.0 | +1.1 | +1.1 | +0.3 | +0.8 | +1.0 | +1.5 | +1.4 | +0.9 | +0.7 | +1.2 |
| 2025 | +1.5 | +1.3 | +0.8 | +0.3 | +0.4 | −0.2 | +0.8 | +0.8 | +0.3 | +0.3 | +1.4 | +1.3 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.




Nearby
More islands nearby.
About these numbers
| Names, area, population | Wikidata (Q129296) · 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 — 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
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