Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
568km²
Area
182km
Coastline
608m
Highest point
84,523
People
15°C
Warmest sea
August
504km
To the mainland
When to go to Isle of Man
Good all year round.
The sea is warmest in August (15 °C) and coolest in March (8 °C). The water never reaches 21 °C: bring a wetsuit.
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.
Main island of the Isle of Man British Crown Dependency
Isle of Man is an island in Isle of Man. It belongs to British Isles. It covers 568 km², with 182 km of coastline. Its highest point rises to 608 m. About 84,523 people live on it. The nearest mainland is 504 km away.
Getting there
- Isle of Man Airport (IOM)airport on the island, with scheduled flightsCar hire at BHD airport (Belfast)Discover Cars · Affiliate link↗
- FerriesIsle of Man - Liverpool, Douglas - Heysham, Isle of Man - Dublin, Larne - Isle of Man
- 504 km from the mainlanddistance to the nearest continental coast
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 Isle of Man.
- 119beachesJohnsons Beach, Fenella Beach, Port Erin Beach and 116 more
- 26viewpointsNiarbyl, Bradda Hill, Douglas Head and 23 more
- 13lighthousesPoint of Ayre Winkie Lighthouse, Ramsey South Pier Lighthouse, Ramsey North Pier Lighthouse and 10 more
- 3ferry terminalsDouglas, Isle of Man Sea Terminal
- 2marinasDouglas Inner Harbour Marina, Peel Marina
- 56named peaksSnaefell, North Barrule, Yellow Stone and 53 more
- 6waterfallsWhite Spout, Rhenass Waterfall, Glen Maye and 3 more
- 8castles and fortsBuggane Mooar, Boirane, Maughold Head and 5 more
- 896ruins and archaeological sitesRushen Abbey, Langness Farm, Cross Vein Lead Mine and 893 more
- 1dive centresDiscover Diving
- 3waymarked walking routesWay of the Gull, Herring Road, Millennium Way
- 22campsitesGlen Wyllin, Ballamoar Farm, Ballaspit and 19 more
- 221hotels, guesthouses and apartments
- 234restaurants, 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
Isle of Man in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Isle of Man, each with its own numbers.
1beachCoastya
2lakesLakeyas
4waterfallsCascadyas
Largest lake
0.14km²
Sulby Reservoir
according to Lakeyas
Beach with the warmest sea
15.2°C
sea in the warmest month · according to Coastya
2 lakes
on Lakeyas, the lake atlas
- Sulby Reservoir0.14km²
- West Baldwin Reservoir0.14km²
Lakeyas is coming soonOpen Lakeyas ↗
4 waterfalls
on Cascadyas, the waterfall atlas
- Rhenas
- Spooyt Vane
- Rhenass Waterfall
- Glen Maye Waterfall
Cascadyas is coming soonOpen Cascadyas ↗
The shape of the land.
On average the island stands 137 m above the sea. 74 % of it is below 200 m.
- 31 %0–50 m
- 42 %50–200 m
- 26 %200–500 m
- <1 %500–1,000 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.
20 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Douglas26,218 people
- Ramsey7,845 people
- Peel5,374 people
- Port Erin3,530 people
- Castletown3,100 people
- Laxey1,768 people
- Santonno census figure
- Port Saint Maryno census figure
- Patrickno census figure
- Onchanno census figure
- Maugholdno census figure
- Lezayreno 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) | 8 | 7 | 8 | 10 | 12 | 15 | 16 | 17 | 15 | 13 | 10 | 8 |
| Night low (°C) | 5 | 5 | 5 | 7 | 9 | 12 | 14 | 14 | 13 | 11 | 8 | 6 |
| Sea (°C) | 8 | 8 | 8 | 8 | 10 | 12 | 14 | 15 | 15 | 14 | 12 | 10 |
| Rain (mm) | 114 | 91 | 82 | 65 | 71 | 82 | 93 | 108 | 94 | 128 | 125 | 125 |
| Wet days | 19 | 15 | 15 | 14 | 13 | 14 | 16 | 17 | 16 | 18 | 20 | 19 |
| Sun h/day | 0.9 | 2.3 | 4.1 | 6.0 | 7.2 | 6.7 | 6.3 | 5.5 | 4.3 | 2.6 | 1.3 | 0.6 |
| Wind (km/h) | 32 | 29 | 26 | 23 | 22 | 20 | 20 | 22 | 25 | 28 | 30 | 31 |
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 | +0.7 | +0.4 | +0.1 | +0.4 | +0.6 | +0.4 | +0.1 | +0.3 | +0.2 | −0.1 | +0.3 | +0.4 |
| 2021 | +0.4 | −0.1 | +0.4 | ±0.0 | −0.1 | +0.4 | +1.7 | +0.6 | +1.0 | +0.8 | +1.0 | +0.6 |
| 2022 | +0.8 | +0.8 | +1.0 | +0.8 | +1.0 | +0.4 | +0.5 | +0.7 | +1.0 | +0.6 | +1.3 | +1.1 |
| 2023 | +1.3 | +1.1 | +1.0 | +0.8 | +1.2 | +1.5 | +0.8 | +0.8 | +1.4 | +1.1 | +1.1 | +1.0 |
| 2024 | +1.0 | +1.2 | +1.3 | +1.3 | +1.4 | +0.2 | ±0.0 | +0.1 | +0.1 | +0.3 | +0.4 | +0.5 |
| 2025 | +0.7 | +0.6 | +1.0 | +1.2 | +1.6 | +1.1 | +1.1 | +0.8 | +0.6 | +0.6 | +0.8 | +0.7 |
+1 warmer than usual −1 cooler than usual
Nearby
More islands nearby.
Calf of Man
Great Britain
Anglesey
Holy Island
Isle of Arran
Ireland
Rathlin IslandAbout these numbers
| Names, area, population | Wikidata (Q27508141) · 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, Lakeyas, Cascadyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST; HydroLAKES (Messager et al. 2016) · CC BY 4.0, LakeTEMP (Korver et al. 2024) · 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.