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Russia RussiaIslandUNESCO World Heritage

Kotlin Island

15.5 km² of land in the Gulf of Finland.

When to go

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

15.5km²

Area

51km

Coastline

17m

Highest point

43,005

People

18°C

Warmest sea

July

4km

To the mainland

When to go to Kotlin Island

Best to visit from July to August.

The sea is warmest in July (18 °C) and coolest in February (0 °C). The water never reaches 21 °C: bring a wetsuit.

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 Russia

Kotlin Island is an island in Russia. It covers 15.5 km², with 51 km of coastline. Its highest point rises to 17 m. About 43,005 people live on it. The nearest mainland is 4 km away. It is part of a UNESCO World Heritage site.

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 Kotlin Island.

  • 11beaches
  • 25viewpoints
  • 6lighthousesHolzleuchtturm Kronstadt, Litke East Range Rear and 4 more
  • 5ferry terminals
  • 2marinas
  • 6castles and fortsShanets, 1. Nördliches Fort, Fort Konstantin and 3 more
  • 29ruins and archaeological sites
  • 1surf spots
  • 1waymarked walking routes
  • 2campsites
  • 4hotels, guesthouses and apartments
  • 52restaurants, 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.

The shape of the land.

On average the island stands 5 m above the sea. 100 % of it is below 200 m.

  • 100 %0–50 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.

Kotlin Island15 km²
Capri10 km²
Manhattan54 km²

5 km

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

Towns on the island

  • Kronstadt43,005 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)-5-507151822201571-3
Night low (°C)-10-10-60611141393-2-7
Sea (°C)00028141818151062
Rain (mm)453840466078889058675954
Wet days131011111113151412141314
Sun h/day0.42.25.97.18.38.18.06.64.21.30.00.0
Wind (km/h)13131211101091011121314

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+1.5+0.8+1.2+1.7+1.0+3.5+1.1+1.0+1.1+2.3+2.4+1.7
2021+0.1+0.2−0.2−0.5+1.1+6.5+5.3+1.0−0.4−0.2−0.5−0.5
2022−0.6+0.1±0.0−0.7+0.7+2.5+2.6+2.5−1.8−0.9−0.3+0.3
2023+0.1+0.3−0.1−1.1+2.2+3.0+1.0+2.2+2.3+1.0−1.6±0.0
2024−0.3+0.1+0.1+0.1+2.9+5.0+3.1+2.4+3.8+1.2+0.1+0.1
2025+0.3+0.5+0.6+0.7+1.4+1.6+1.8+1.6+1.7±0.0+0.8+0.8

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

About these numbers

Names, area, populationWikidata (Q819457) · 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

Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.

The family

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