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Valentia Island

26.2 km² of land in the Atlantic Ocean.

When to go

Valentia Island seen from space, cut out from the sea (Sentinel-2)
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

26.2km²

Area

38km

Coastline

267m

Highest point

658

People

16°C

Warmest sea

August

530km

To the mainland

When to go to Valentia Island

Good all year round.

The sea is warmest in August (16 °C) and coolest in February (10 °C). The water never reaches 21 °C: bring a wetsuit.

Sea temperature (the water level) Air: night low to afternoon high Wet days

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 Ireland

Valentia Island is an island in Ireland. It covers 26.2 km², with 38 km of coastline. Its highest point rises to 267 m. About 658 people live on it. The nearest mainland is 530 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 Valentia Island.

  • 2beaches
  • 7viewpointsMiners View, Shepherds View, Viewing Deck and 4 more
  • 2lighthousesValentia Front Leading Light, Cromwell Point Lighthouse
  • 1ferry terminalsValentia Island Car Ferry
  • 3named peaksGeokaun, Bray Head, Kilbeg Mountain
  • 19ruins and archaeological sitesTetrapod Trackway, Bray Head Signal Tower, Old Watch Tower and 16 more
  • 1waymarked walking routesBray Head Way
  • 1campsitesValentia Island Caravan & Camping
  • 2hotels, guesthouses and apartments
  • 6restaurants, 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

Valentia Island in our other atlases

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

  • 1mountainPeakyas

1 mountains

on Peakyas, the mountain atlas

  1. Kilbeg Mountain

Open Peakyas ↗

The shape of the land.

On average the island stands 60 m above the sea. 98 % of it is below 200 m.

  • 57 %0–50 m
  • 41 %50–200 m
  • 2 %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.

Valentia Island26 km²
Manhattan54 km²
Santorini76 km²

5 km

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

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)10910111214161616141210
Night low (°C)8889111314151412109
Sea (°C)101010101214151615141211
Rain (mm)159129109879692108115114141160169
Wet days221919161718212019212323
Sun h/day1.22.34.26.67.47.46.25.84.73.21.50.8
Wind (km/h)353330262624232426293235

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±0.0+0.1±0.0+0.2+0.1−0.2−0.7+0.2±0.0−0.6−0.1±0.0
2021−0.4−0.3−0.1+0.2±0.0−0.3+1.4+0.8+1.4+0.4+0.1+0.1
2022+0.1+0.2+0.4+0.6+1.3+0.1+0.1+0.9+1.6+0.7+0.6+0.1
2023+0.1+0.2+0.5+0.2+1.0+2.7+0.7−0.1+1.3+0.8+0.6−0.1
2024+0.1+0.4+0.4+0.4+1.0−0.4−0.8−0.6−0.4+0.7+1.0+0.6
2025+0.4+0.5+0.5+0.8+2.7+1.0+0.5+0.8−0.2−0.4+0.5+0.5

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

046Valencia Knightstown
Jibi44 · CC BY-SA 2.5
Bray Head, Valentia Island
Elkringo · CC BY-SA 3.0
Dolmen Rock north of Tinnes, Valentia Island
Kate Ware · CC BY-SA 4.0
Valentia Island tetrapod trackways
Uhooep · CC BY-SA 4.0

About these numbers

Names, area, populationWikidata (Q1146838) · 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 waterfallsPeakyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0

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