Mljet Half-Ironman Triathlon
An annual autumn triathlon around Mljet National Park, combining swimming, cycling and running in the island's pristine nature.
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Mljet
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City
ℹ️Practical info — Mljet
▾
🌤 Weather — 5 days
📍 Nearby
Sights nearby
💡 Tips
- Buy National Park tickets online in advance to avoid queues at the entrance.
- Renting a bicycle is the best way to get around the saltwater lakes.
- Ferries to the island can get crowded in summer; arrive at the port early.
- The boat to the Benedictine monastery on St. Mary's Isle is included in the park ticket.
🍽 Food
🍽
Goat cheese in olive oil
Sample it at a local konoba near the National Park entrances.
🍽
Freshly caught fish
Find excellent seafood restaurants in the coastal village of Pomena.
🍽
Makkaruni
Handmade local pasta often served with meat sauce, found in traditional local inns.
🛍 Shopping · 🧘 Quiet spots
🛍
Local honey
Look for signs on local houses selling homemade honey.
🛍
Mljet wine
Look for red wines made from the Plavac Mali grape at local village shops.
🧘
Small Lake (Malo Jezero)
Generally calmer and warmer for swimming than the Large Lake.
🧘
Odysseus Cave
Hike here early in the morning to enjoy the spectacular natural light without the crowds.
Water temperature…
Highlights of 2026
4
Mljet Summer Festival
A summer cultural program in August on Mljet island with klapa concerts, folklore and events in Babino Polje and other villages.
Noc vina (Night of Wine), Pomena
Eno-gastronomic event held every August in Pomena on Mljet, featuring local wines and food.
Mljet Cultural Summer
Around 40 days of concerts, theatre and exhibitions held since 2006 on Mljet island, with summer performances on the islet of Sv. Marija.
Mljet is one of the most fascinating islands in the Adriatic, renowned for its untouched nature and dense forests. The western part of the island was declared a National Park in 1960. The core of the park consists of the Great Lake (Veliko jezero) and the Small Lake (Malo jezero), connected to the sea by narrow channels. In the middle of the Great Lake lies St. Mary's Island, featuring a 12th-century Romanesque Benedictine monastery. Beyond the National Park, the island has hidden coves and caves, including the famous Odysseus Cave (Odisejeva špilja) near Babino Polje, where according to legend, the Greek hero spent seven years. The island is sparsely populated, making it an excellent retreat for hikers, cyclists, and peace seekers. Settlements like Pomena and Polače serve as gateways to the National Park. The flora is dominated by Aleppo pines and holm oaks, while the fauna was notably shaped by the introduction of mongooses in the early 20th century to combat snakes. Gastronomically, the island is famous for lobster and goat cheese. Mljet is accessible by ferry or catamaran from Dubrovnik or Prapratno on the Pelješac peninsula.
- Location: Croatia
- Top sights: Sutmiholjska · Brdska gora · Mala Sutilija
- Nearby: Sobra (6 km)
- Population: ~1.062
Best time to visit & climate
The most pleasant time to visit is May–Jul.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 11 | 11 | 13 | 15 | 19 | 23 | 26 | 26 | 23 | 19 | 16 | 13 |
| Rain mm | 112 | 108 | 97 | 70 | 57 | 46 | 25 | 31 | 82 | 98 | 127 | 122 |
Geography
Facts
- Mljet National Park
- Great and Small Lakes
- St. Mary monastery islet
- Odysseus Cave
- Greenest Croatian island
- Mongoose population
- Roman Palace in Polače
- Ferry from Pelješac
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
Vehicle
Only stops with (optional):
© OpenStreetMap contributors · OpenRouteService
A day in the city
Pick weather + travel mode, get a concrete day plan.
09:00→20:284.5 km walk6 places0/6
Day budget: ≈ 12–16 €Entries 14€ · Transport 0€
Start your day in Pomena, the park's main entrance. After coffee, hike through pine forests to the Great Lake. Enjoy a traditional lunch before taking a boat to St. Mary's Island to explore the monastery. Spend your afternoon swimming in the warm waters of the Small Lake, finishing with a peaceful walk back as the sun sets.
← swipe for more places →
🚶 17'0.68 km
🚶 30'1.37 km
🚶 21'0.89 km
🚶 24'1.03 km
🚶 15'0.58 km
09:00→20:284.5 km walk6 places0/6
Day budget: ≈ 12–16 €Entries 14€ · Transport 0€
The day begins at the misty Pomena Harbor. The National Park's dense pine forests provide natural shelter from the rain as you walk toward the lakes. A long lunch in a cozy local konoba offers the perfect refuge. In the afternoon, explore the interior of the island monastery, ending the day with the mystical atmosphere of the lakeside in the rain.
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🚶 17'0.68 km
🚶 30'1.37 km
🚶 21'0.89 km
⛪
14:35 · 53'
Otočić Svete Marije (Monastery Island)
The church and monastery interiors are fully rainproof.
🚶 24'1.03 km
📍
15:52 · 189'
Beach break at Malo Jezero
The lake water is often warmer than the air in the rain.
🚶 15'0.58 km
09:00→20:284.5 km walk6 places0/6
Day budget: ≈ 12–16 €Entries 14€ · Transport 0€
A quiet winter morning in Pomena, free from the crowds. The hike through the National Park is refreshingly cool with crystal-clear air. Warm up with regional specialties at a konoba for lunch. The visit to Sveta Marija monastery feels especially spiritual in the winter silence before an early sunset over the peaceful lakes.
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🚶 17'0.68 km
🏞️
10:14 · 126'
Mljet National Park (Entrance)
Enjoy the unusual solitude of the paths in winter.
🚶 30'1.37 km
🚶 21'0.89 km
⛪
14:35 · 53'
Otočić Svete Marije (Monastery Island)
It is significantly warmer inside the monastery walls.
🚶 24'1.03 km
🚶 15'0.58 km
09:00→20:3210 km ride6 places0/6
Day budget: ≈ 26–35 €Entries 18€ · Transport 12€
Cycling is the best way to cover Mljet's trails. Ride from Pomena to the Roman palace ruins in Polače. After a harbor-side lunch, head back to the lakes within the National Park. Finish with a boat trip to the monastery island before cycling back under the shade of pine trees.
← swipe for more places →
🚲 24'3.47 km
🚲 11'1.37 km
🚲 4'0.25 km
🚲 19'2.73 km
🚲 16'2.24 km
09:00→20:3210 km ride6 places0/6
Day budget: ≈ 26–35 €Entries 18€ · Transport 12€
A wet but refreshing bike tour starting from Pomena. The paved paths in the park offer good grip even in the rain. In Polače, we explore Roman ruins between showers and enjoy lunch by the harbor. The boat crossing to Sveta Marija provides a short break from pedaling before heading back in the rain.
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🚲 24'3.47 km
🏞️
10:16 · 126'
Mljet National Park (Bike path)
Caution in sharp turns, the asphalt can be slippery.
🚲 11'1.37 km
🏛️
12:33 · 84'
Late Antiquity Palace Polače
The ancient walls offer partial protection from the wind.
🚲 4'0.25 km
🚲 19'2.73 km
🚲 16'2.24 km
09:00→20:3210 km ride6 places0/6
Day budget: ≈ 26–35 €Entries 18€ · Transport 12€
Winter cycling on Mljet means empty paths and mild temperatures. Starting from Pomena, we explore the park without the summer heat. The palace in Polače can be studied thoroughly without the crowds. After a warming lunch, we visit the monastery island. The return ride is bathed in the golden light of the low winter sun.
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🚲 24'3.47 km
🏞️
10:16 · 126'
Mljet National Park (Bike path)
Great temperatures for active physical exertion.
🚲 11'1.37 km
🚲 4'0.25 km
🚲 19'2.73 km
⛪
15:44 · 53'
Otočić Svete Marije (Crossing)
The boat runs less frequently in winter; watch the schedule.
🚲 16'2.24 km
09:00→23:2372.9 km drive7 places0/7
Day budget: ≈ 28–38 €Entries 20€ · Transport 13€
A car lets you explore the full length of Mljet. Start with panoramic views at Sobra, then hike down to the mythical Odysseus Cave. After lunch in the central village of Babino Polje, visit the ruins at Polače before ending your day at the rare sandy beach of Saplunara in the south.
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🚗 31'8.27 km
🚗 9'1.93 km
🚗 71'20.45 km
🚗 3'0.12 km
🚗 143'41.95 km
🚗 4'0.15 km
09:00→23:2372.9 km drive7 places0/7
Day budget: ≈ 28–38 €Entries 20€ · Transport 13€
A comfortable island tour by car, protected from the rain. We start at the Sobra viewpoint, where clouds hang low over the bay. Visit Odysseus Cave only in light rain; otherwise, enjoy the view from above. A long lunch in Babino Polje warms us up. The palace in Polače and Saplunara beach offer dramatic photo opportunities even in the rain.
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🚗 31'8.27 km
🏛️
10:13 · 84'
Odisejeva špilja (Odysseus Cave)
The descent path is extremely slippery in the rain.
🚗 9'1.93 km
🚗 71'20.45 km
🚗 3'0.12 km
🚗 143'41.95 km
🚗 4'0.15 km
09:00→23:2372.9 km drive7 places0/7
Day budget: ≈ 28–38 €Entries 20€ · Transport 13€
Mljet island belongs almost exclusively to you in winter. The drive starts in Sobra with clear views all the way to the mainland. At Odysseus Cave, enjoy the peace without the swimmers. Lunch in Babino Polje is a true local experience. Polače and Saplunara show off untouched nature in winter splendor, crowned by an early, colorful sunset.
← swipe for more places →
🚗 31'8.27 km
🚗 9'1.93 km
🚗 71'20.45 km
🚗 3'0.12 km
🏛️
15:11 · 84'
Late Antiquity Palace Polače
The stones absorb the warmth of the mild winter sun.
🚗 143'41.95 km
🚗 4'0.15 km
Sights in the town Mljet (4)
Frequently asked questions
How to reach Mljet island?
By ferry from Dubrovnik (catamaran) or from Prapratno on Pelješac (car ferry).
How much is the National Park entrance fee?
Prices vary seasonally between 15 and 25 EUR, including the boat trip to St. Mary's island.
Can you rent bikes in the National Park?
Yes, bike rental is very popular for exploring the paths around the salt lakes.
Where to swim on Mljet?
In the salt lakes (Veliko and Malo jezero) or at sandy beaches like Saplunara in the southeast.
Is there accommodation directly in the park?
Yes, in the villages of Pomena and Polače there are hotels and many private apartments.
Mljet: where is it located?
Mljet is located in Croatia.
Mljet: what is there to see?
Highlights include Sutmiholjska, Brdska gora, Mala Sutilija.
Mljet: when is the best time to visit?
The most pleasant time to visit is May, Jul.
Mljet: why is it worth visiting?
Mljet is one of the most fascinating islands in the Adriatic, renowned for its untouched nature and dense forests.
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