Croatia
Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.
In numbers
97.6km²
Area
145km
Coastline
514m
Highest point
1,088
People
26°C
Warmest sea
August
When to go to Mljet
Best for the beach from July to August.
The sea is warmest in August (26 °C) and coolest in February (14 °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 of Croatia
Mljet is an island in Croatia. It belongs to Dalmatian Archipelago. It covers 97.6 km², with 145 km of coastline. Its highest point rises to 514 m. About 1,088 people live on it.
Getting there
- Dubrovnik Ruđer Bošković Airport (DBV)nearest airport with scheduled flights · 63 km in a straight lineCar hire at DBV airport (Dubrovnik)Discover Cars · Affiliate link↗
- FerriesPrapratno (Pelješac) - Sobra (Mljet), Polače-Korčula, Dubrovnik - Sobra - Polače, Korčula - Sobra
- 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 Mljet.
- 12beachesBlaca, Velika Saplunara, Mala Saplunara and 9 more
- 16viewpointsMontokuc, Strmica and 14 more
- 5ferry terminalsSobra, Pristanište, Pomena and 2 more
- 1marinas
- 142named peaksVeliki Grad, Zirinje, Kantun and 139 more
- 10ruins and archaeological sitesSan Magradi, Western Basilica, Eastern Basilica and 7 more
- 1dive centresDive center Aquatica
- 1waymarked walking routesMljetska planinarska obilaznica
- 3campsitesLovor, Autokamp Mungos, Autokamp Marina
- 11hotels, guesthouses and apartments
- 43restaurants, 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
Mljet in our other atlases
Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Mljet, each with its own numbers.
12beaches and covesCoastya
14mountainsPeakyas
Beach with the warmest sea
25.7°C
Uvala Omani
sea in the warmest month · according to Coastya
12 beaches
on Coastya, the beach atlas
- Uvala Podropecove25.2°C
- Uvala Podlazecove25.2°C
- Uvala Grdacove25.2°C
- Uvala Dunaje Lazecove25.2°C
- Uvala Suđurskacove25.2°C
- Uvala Omanicove25.7°C
- Uvala Pregutovicacove25.7°C
- Uvala Velika Dolinacove25.7°C
4 more on CoastyaOpen Coastya ↗
14 mountains
on Peakyas, the mountain atlas
- Veliki Grad
- Gradac
- Orje Brdo
- Hljeb
- Movrica
- Brdska Gora
- Veliki Planjak
- Zle Stijene
6 more on PeakyasOpen Peakyas ↗
The shape of the land.
On average the island stands 143 m above the sea. 73 % of it is below 200 m.
- 19 %0–50 m
- 54 %50–200 m
- 27 %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.
10 km
All outlines drawn to the same scale (Natural Earth and OpenStreetMap).
Towns on the island
- Babino Polje262 people
- Blato31 people
Month by month
The weather on the island.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon high (°C) | 12 | 12 | 14 | 16 | 20 | 24 | 26 | 27 | 24 | 20 | 17 | 14 |
| Night low (°C) | 10 | 10 | 12 | 14 | 18 | 22 | 24 | 25 | 22 | 19 | 15 | 12 |
| Sea (°C) | 14 | 14 | 14 | 15 | 18 | 22 | 25 | 26 | 23 | 21 | 18 | 16 |
| Rain (mm) | 112 | 108 | 97 | 70 | 57 | 46 | 25 | 31 | 82 | 98 | 127 | 122 |
| Wet days | 11 | 10 | 10 | 10 | 8 | 6 | 4 | 5 | 9 | 11 | 14 | 13 |
| Sun h/day | 3.6 | 4.7 | 6.1 | 7.9 | 9.8 | 11.4 | 12.2 | 10.9 | 8.2 | 6.2 | 4.0 | 3.4 |
| Wind (km/h) | 21 | 22 | 21 | 17 | 15 | 14 | 14 | 14 | 16 | 17 | 21 | 22 |
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 | +1.0 | +0.9 | +0.1 | ±0.0 | −0.9 | −1.3 | −0.1 | +1.1 | +1.9 | +0.8 | +1.2 | +1.0 |
| 2021 | +1.4 | +0.5 | +0.6 | −0.5 | −0.8 | −0.3 | +1.2 | +1.4 | +1.2 | +0.8 | +1.3 | +1.0 |
| 2022 | +0.9 | +0.7 | +0.2 | −0.2 | +0.1 | +1.3 | +0.9 | −0.2 | +0.1 | ±0.0 | +1.4 | +1.4 |
| 2023 | +1.5 | +0.6 | +0.5 | −0.2 | −0.3 | +0.3 | +1.6 | +0.8 | +1.0 | +2.0 | +1.9 | +0.8 |
| 2024 | +0.9 | +0.9 | +1.0 | +1.8 | +0.7 | +1.4 | +1.9 | +1.4 | +1.8 | +1.4 | +1.5 | +1.1 |
| 2025 | +1.5 | +1.6 | +1.1 | +0.4 | ±0.0 | +0.7 | +0.7 | −0.1 | +1.7 | −0.2 | +0.2 | +1.3 |
+1 warmer than usual −1 cooler than usual
Photos
Seen by visitors.
Nearby
More islands nearby.
About these numbers
| Names, area, population | Wikidata (Q211306) · 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, Peakyas — 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.
beaches
Find your beach: sea temperature, sun and swimming month by month.Visit 
lakes
Every lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit mountains
Every summit in 3D: summit weather, the 0 °C line, huts and trails.Visit 
waterfalls
Every waterfall: height, flow month by month and when it roars.Coming soonVisit 
islands
Every island from the sea up: size, sea temperature, ferries and 3D.You are here
rivers
Every river from source to sea: the journey, the flow and the basin in numbers.Visit 
canyons
Every canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit