Greece
Satellite: Sentinel-2 cloudless 2017 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
41.7km²
Area
43km
Coastline
298m
Highest point
307
People
24°C
Warmest sea
August
82km
To the mainland
When to go to Agios Efstratios
Best for the beach from July to August.
The sea is warmest in August (24 °C) and coolest in March (14 °C). Comfortable swimming (21 °C or more): from June to September.
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
Agios Efstratios is an island in Greece. It covers 41.7 km², with 43 km of coastline. Its highest point rises to 298 m. About 307 people live on it. The nearest mainland is 82 km away.
Getting there
- Skiathos Island National Airport (JSI)nearest airport with scheduled flights · 134 km in a straight lineCar hire at JSI airport (Skiathos)Discover Cars · Affiliate link↗
- FerriesAgios Efstratios - Lemnos, Lavrio - Agios Efstratios
- 82 km from the mainlanddistance to the nearest continental coast
- From July to Augustbest 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 Agios Efstratios.
- 16beaches
- 1lighthouses
- 1ferry terminalsAgios Efstratios Port
- 1marinas
- 4restaurants, 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.
The shape of the land.
On average the island stands 111 m above the sea. 88 % of it is below 200 m.
- 21 %0–50 m
- 68 %50–200 m
- 12 %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.
5 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Ágios Efstrátiosno census figure
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 12 | 13 | 14 | 16 | 19 | 23 | 26 | 26 | 23 | 20 | 17 | 14 |
| Night low (°C) | 10 | 10 | 12 | 14 | 18 | 22 | 24 | 24 | 22 | 18 | 15 | 12 |
| Sea (°C) | 15 | 15 | 14 | 15 | 18 | 22 | 24 | 24 | 22 | 20 | 18 | 16 |
| Rain (mm) | 114 | 91 | 68 | 48 | 34 | 31 | 17 | 10 | 52 | 78 | 91 | 134 |
| Wet days | 11 | 10 | 10 | 7 | 5 | 4 | 2 | 2 | 5 | 8 | 10 | 13 |
| Sun h/day | 3.1 | 4.3 | 6.4 | 8.3 | 10.5 | 12.0 | 12.5 | 11.4 | 9.1 | 6.7 | 4.7 | 2.8 |
| Wind (km/h) | 27 | 27 | 24 | 21 | 17 | 16 | 18 | 20 | 20 | 23 | 24 | 27 |
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 | +0.8 | +0.8 | +0.5 | +0.3 | +0.6 | +0.2 | −0.7 | +0.2 | +1.1 | +1.9 | +1.2 | +1.0 |
| 2021 | +1.9 | +1.8 | +1.3 | +0.8 | +0.3 | +0.8 | +1.3 | +2.1 | +0.8 | −0.3 | ±0.0 | +0.5 |
| 2022 | +1.1 | +0.7 | +0.3 | −0.2 | +0.1 | −0.3 | −0.8 | ±0.0 | +0.6 | −0.3 | −0.1 | +0.9 |
| 2023 | +1.7 | +1.1 | +0.9 | +0.7 | −0.4 | −1.2 | +1.3 | +0.5 | +0.1 | +0.9 | +2.2 | +2.5 |
| 2024 | +2.5 | +1.1 | +1.2 | +1.6 | ±0.0 | +0.3 | +1.0 | +1.6 | +1.8 | +1.6 | +0.8 | +1.1 |
| 2025 | +1.2 | +1.3 | +0.8 | +0.1 | −0.3 | −0.1 | +0.9 | −0.7 | +0.2 | +0.2 | +1.6 | +2.2 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
Turkey
About these numbers
| Names, area, population | Wikidata (Q393937) · 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 |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
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