Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
0.29km²
Area
3km
Coastline
33m
Highest point
0
People
25°C
Warmest sea
August
1km
To the mainland
When to go to St. Ivan Island
Best for the beach from July to August.
The sea is warmest in August (25 °C) and coolest in February (7 °C). Comfortable swimming (21 °C or more): from June to September.
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 Bulgaria
St. Ivan Island is an island in Bulgaria. It covers 0.29 km², with 3 km of coastline. Its highest point rises to 33 m. Nobody lives on it. The nearest mainland is 1 km away.
Getting there
- Burgas Airport (BOJ)nearest airport with scheduled flights · 21 km in a straight lineCar hire at BOJ airport (Burgas)Discover Cars · Affiliate link↗
- 1 km from the mainlanddistance to the nearest continental coast
- From July to Augustbest 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 St. Ivan Island.
- 1lighthouses
- 1ruins and archaeological sites
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 17 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.
0.2 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 6 | 8 | 12 | 16 | 22 | 27 | 30 | 30 | 25 | 19 | 13 | 8 |
| Night low (°C) | -1 | 0 | 3 | 6 | 12 | 17 | 20 | 20 | 16 | 11 | 6 | 1 |
| Sea (°C) | 8 | 7 | 7 | 10 | 16 | 21 | 24 | 25 | 23 | 19 | 14 | 10 |
| Rain (mm) | 64 | 47 | 45 | 34 | 45 | 49 | 47 | 26 | 52 | 68 | 46 | 63 |
| Wet days | 8 | 7 | 8 | 8 | 10 | 9 | 7 | 5 | 7 | 7 | 7 | 9 |
| Sun h/day | 2.6 | 3.4 | 4.7 | 6.8 | 8.6 | 9.8 | 10.4 | 9.9 | 7.1 | 4.7 | 3.0 | 2.4 |
| Wind (km/h) | 15 | 16 | 14 | 12 | 10 | 10 | 11 | 12 | 13 | 13 | 14 | 15 |
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 | +2.0 | +1.6 | +1.7 | +0.3 | −0.6 | −0.7 | +0.5 | +0.4 | +1.7 | +2.6 | +1.9 | +2.0 |
| 2021 | +2.0 | +1.9 | +0.8 | −0.3 | +0.2 | −0.9 | +0.6 | +0.9 | +0.5 | −0.8 | +0.4 | +1.6 |
| 2022 | +1.3 | +0.5 | −1.0 | −0.5 | −0.4 | +0.1 | +0.4 | +0.5 | +0.7 | ±0.0 | +1.9 | +1.6 |
| 2023 | +2.4 | +0.6 | +1.2 | +0.5 | −1.1 | +0.4 | +0.7 | ±0.0 | +1.7 | +2.8 | +2.0 | +0.8 |
| 2024 | +1.6 | +1.2 | +1.7 | +4.0 | +0.1 | +1.9 | +2.2 | +1.8 | +1.4 | +1.2 | +1.3 | +1.8 |
| 2025 | +2.0 | +0.9 | +0.6 | +0.3 | −0.8 | +0.7 | +1.1 | +0.7 | +1.4 | +1.1 | +2.6 | +2.9 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
Bulgaria0.08 km²15 m2 km away
St. Anastasia IslandBulgaria0.01 km²12 m12 km away
Marmara Island
Turkey117 km²699 m202 km away
BüyükadaTurkey5.4 km²199 m212 km away
Burgaz AdasıTurkey1.5 km²162 m207 km away
AvşaTurkey21 km²191 m215 km away
HeybeliadaTurkey2.5 km²141 m209 km away
İmralıTurkey9.8 km²217 m223 km awayAbout these numbers
| Names, area, population | Wikidata (Q1636393) · 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 |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
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