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.
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.
Getting there
- Cagliari Elmas Airport (CAG)nearest airport with scheduled flights · 60 km in a straight lineCar hire at CAG airport (Cagliari)Discover Cars · Affiliate link↗
- FerriesCarloforte - Calasetta
- 201 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 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
- Spiaggia di Sottotorre25.0°C
- Spiaggia delle Saline25.0°C
- Spiaggia Grande25.0°C
- Spiaggia della Tonnara25.0°C
- Spiaggia di Is Pruinis25.0°C
- Spiaggia di Mangiabarche25.0°C
- Spiaggia di Coacuaddus25.1°C
- 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.
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 14 | 14 | 14 | 16 | 19 | 23 | 26 | 26 | 24 | 22 | 18 | 15 |
| Night low (°C) | 12 | 12 | 13 | 14 | 17 | 21 | 23 | 24 | 22 | 20 | 17 | 14 |
| Sea (°C) | 14 | 14 | 14 | 15 | 18 | 21 | 24 | 25 | 24 | 22 | 19 | 16 |
| Rain (mm) | 57 | 54 | 46 | 47 | 37 | 14 | 4 | 13 | 38 | 54 | 91 | 67 |
| Wet days | 9 | 9 | 7 | 8 | 6 | 2 | 1 | 2 | 7 | 8 | 12 | 10 |
| Sun h/day | 4.2 | 5.5 | 7.1 | 8.3 | 9.8 | 12.0 | 12.3 | 11.1 | 8.6 | 6.9 | 4.6 | 4.1 |
| Wind (km/h) | 24 | 24 | 23 | 21 | 20 | 17 | 18 | 17 | 18 | 20 | 24 | 24 |
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 | +0.6 | +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
Nearby
More islands nearby.
San Pietro Island
Sardinia
Galite Island
Asinara
La Maddalena
Tavolara Island
Caprera
CorsicaAbout these numbers
| Names, area, population | Wikidata (Q11406604) · 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
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.



