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San Pietro Island

50.9 km² of land in the Mediterranean Sea.

When to go

San Pietro Island seen from space, cut out from the sea (Sentinel-2)
Carloforte
N 1 km

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

In numbers

50.9km²

Area

57km

Coastline

211m

Highest point

6,465

People

25°C

Warmest sea

August

220km

To the mainland

When to go to San Pietro Island

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 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 off the coast of Sardinia, Italy

San Pietro Island is an island in Italy. It covers 50.9 km², with 57 km of coastline. Its highest point rises to 211 m. About 6,465 people live on it. The nearest mainland is 220 km away.

Read more on Wikipedia

Getting there

  • Cagliari Elmas Airport (CAG)nearest airport with scheduled flights · 68 km in a straight lineCar hire at CAG airport (Cagliari)Discover Cars · Affiliate link
  • FerriesCarloforte - Portovesme, Carloforte - Calasetta
  • 220 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 San Pietro Island.

  • 11beachesSpiaggia Girin, Spiaggia La Caletta, Spiaggia Punta Nera and 8 more
  • 13viewpointsLa Conca, Baia Mezzaluna and 11 more
  • 1lighthousesFaro di Capo Sandalo
  • 2ferry terminalsCarloforte
  • 4marinasPorto di Carloforte, Carloforte Marina Sifredi, Carloforte Marinatour Marina and 1 more
  • 22named peaksGuardia dei Mori, Monte Tortoriso, Montagna di Ravenna and 19 more
  • 1volcanoesCratere del Vulcano quiescente San Giacomo
  • 1castles and fortsForte Santa Teresa
  • 2ruins and archaeological sitesTonnara de La Punta, Ruderi chiesa San Giacomo
  • 26waymarked walking routesCMSB 28, Cammino Tabarchino and 24 more
  • 13hotels, guesthouses and apartments
  • 8restaurants, 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

San Pietro Island in our other atlases

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

  • 4beaches and covesCoastya
  • Beach with the warmest sea

    25.0°C

    Spiaggia di Cala Fico

    sea in the warmest month · according to Coastya

4 beaches

on Coastya, the beach atlas

  1. Spiaggia dello Spalmatore25.0°C
  2. Spiaggia di Guidi25.0°C
  3. Spiaggia di Girin25.0°C
  4. Spiaggia di Cala Fico25.0°C

Open Coastya ↗

The shape of the land.

On average the island stands 73 m above the sea. 100 % of it is below 200 m.

  • 39 %0–50 m
  • 61 %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.

San Pietro Island51 km²
Santorini76 km²
Manhattan54 km²

5 km

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

Towns on the island

  • Carloforte5,560 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+0.7+1.1+0.8+1.1+1.8+0.7+1.1+1.0+1.2−0.6+0.6+0.8
2021+0.1+0.6+0.5+0.5+0.4+0.8+0.9+0.9+1.4+1.3+1.7+0.2
2022+0.4+0.6+0.1−0.1+1.5+2.1+2.7+2.1+2.2+1.7+2.0+1.5
2023+1.1+0.8+0.8+0.9+0.8+1.4+1.9+0.7+1.0+2.4+1.5+1.0
2024+1.1+1.4+0.9+0.7+1.1+0.8+0.8+1.2±0.0+0.4+2.1+1.2
2025+1.0+1.3+1.2+1.0+1.2+2.5+2.0+0.9+2.0+2.0+1.7+1.3

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

San Pietro da monte Sirai
Alex10 · CC BY-SA 3.0
Isola di San Pietro, Spiaggia La Bobba
Sergio N. Carlini · CC BY-SA 3.0
Caposandalo ad ovest del isola di San Pietro
Baldo Simone · CC BY-SA 4.0
Isola di San Pietro da Portoscuso
Alex10 · CC BY-SA 4.0

About these numbers

Names, area, populationWikidata (Q912934) · 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.Visit