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Ìsola di Sant'Antìoco

111 km² of land in the Mediterranean Sea.

When to go

Ìsola di Sant'Antìoco seen from space, cut out from the sea (Sentinel-2)
Sant'AntiocoCalasetta
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

111km²

Area

72km

Coastline

267m

Highest point

11,730

People

25°C

Warmest sea

August

201km

To the mainland

When to go to Ìsola di Sant'Antìoco

Best for the beach from July to September.

The sea is warmest in August (25 °C) and coolest in February (14 °C). Comfortable swimming (21 °C or more): from July 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 in Sant'Antioco, Italy

Ìsola di Sant'Antìoco is an island in Italy. It covers 111 km², with 72 km of coastline. Its highest point rises to 267 m. About 11,730 people live on it. The nearest mainland is 201 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 Ìsola di Sant'Antìoco.

  • 16beachesSpiaggia le Saline, Spiaggia Sotto Torre, Coaquaddus and 13 more
  • 6viewpointsBelvedere Agostino Granara and 5 more
  • 1ferry terminalsCalasetta
  • 1marinasSant'Antioco Small Marina
  • 18named peaksPerdas de Fogu, Monte Arbus, Perdas Stufaras and 15 more
  • 47ruins and archaeological sitesNuraghe, Nuraghe Case Luxi, Villaggio nuragico Corongiu Murvonis and 44 more
  • 7waymarked walking routesCMSB 24, CMSB 25, Cammino di Sant'Antioco - Tappa 5 and 4 more
  • 3campsitesArea di Sosta Vittoriano, Tonnara Camping, Camping Le Saline
  • 21hotels, guesthouses and apartments
  • 43restaurants, 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

Ìsola di Sant'Antìoco in our other atlases

Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Ìsola di Sant'Antìoco, each with its own numbers.

  • 15beaches and covesCoastya
  • Beach with the warmest sea

    25.1°C

    Spiaggia di Coacuaddus

    sea in the warmest month · according to Coastya

15 beaches

on Coastya, the beach atlas

  1. Spiaggia di Sottotorre25.0°C
  2. Spiaggia delle Saline25.0°C
  3. Spiaggia Grande25.0°C
  4. Spiaggia della Tonnara25.0°C
  5. Spiaggia di Is Pruinis25.0°C
  6. Spiaggia di Mangiabarche25.0°C
  7. Spiaggia di Coacuaddus25.1°C
  8. Spiaggia di Maladroxia25.1°C

7 more on CoastyaOpen Coastya ↗

The shape of the land.

On average the island stands 64 m above the sea. 99 % of it is below 200 m.

  • 48 %0–50 m
  • 51 %50–200 m
  • 1 %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.

Ìsola di Sant'Antìoco111 km²
Malta247 km²
Santorini76 km²

10 km

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

Towns on the island

  • Sant'Antioco10,997 people
  • Calasetta2,331 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)141414161923262624221815
Night low (°C)121213141721232422201714
Sea (°C)141414151821242524221916
Rain (mm)57544647371441338549167
Wet days99786212781210
Sun h/day4.25.57.18.39.812.012.311.18.66.94.64.1
Wind (km/h)242423212017181718202424

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+0.6+1.1+0.7+1.2+1.7+0.8+1.1+0.9+1.3−0.6+0.5+0.8
2021±0.0+0.5+0.5+0.6+0.3+0.8+0.9+0.8+1.4+1.3+1.7+0.1
2022+0.4+0.6+0.1±0.0+1.4+2.1+2.7+1.9+2.2+1.6+2.0+1.4
2023+1.1+0.7+0.8+0.9+0.7+1.4+1.7+0.5+1.0+2.3+1.4+0.9
2024+1.0+1.3+0.8+0.7+1.0+0.7+0.6+1.1±0.0+0.5+2.1+1.2
2025+1.0+1.3+1.2+1.0+1.1+2.5+2.0+0.9+2.0+2.0+1.6+1.3

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Sant'Antioco da monte Sirai
Alex10 · CC BY-SA 3.0
Isola di Sant'Antioco CI, Sardinia, Italy - panoramio
trolvag · CC BY-SA 3.0
Ponte isola di Sant'Antioco
Alex10 · CC BY-SA 3.0
Sant antioco island
Abxbay · CC BY-SA 3.0

About these numbers

Names, area, populationWikidata (Q11406604) · 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 — 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.Coming soonVisit