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Côn Đảo

Island Group · 🇻🇳 Vietnam

Côn Đảo is a small island group off the south coast of Vietnam. It combines quiet beaches, forest, coral reefs and the grim history of a French and later South Vietnamese prison.

Most visitors stay two to four nights. Days are for the historic prison sites, beaches, snorkelling and national park walks. The main town on Côn Sơn Island is small and calm.

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Côn Đảo

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When to visit

February to June is the best time. The sea is calmer, and diving and boat trips run easily. July to November is the rainy season, with rough seas and typhoon risk, mainly in October and November. Some boats and ferries stop in bad weather.

Sea turtles nest on Bay Canh and other beaches from about May to September. Visits are managed by the national park.

Best time to visit: January, February, March

Select a month

Typical weather in January

Great
  • 25° (feels like 24°) · extremes 24°–27°
  • 25° at night
  • 6 rainy days
  • 13 sunny days
  • 7 hours of sunshine per day
  • Oppressive humidity
  • Windy
  • 26°C · warm for swimming
  • UV index 9 · very high

Typical weather in February

Great
  • 26° (feels like 25°) · extremes 24°–27°
  • 25° at night
  • 3 rainy days
  • 18 sunny days
  • 8 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • 26°C · warm for swimming
  • UV index 11 · extreme

Typical weather in March

Great
  • 27° (feels like 28°) · extremes 25°–28°
  • 26° at night
  • 5 rainy days
  • 22 sunny days
  • 9 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • 27°C · warm for swimming
  • UV index 12 · extreme

Typical weather in April

Fair
  • 28° (feels like 31°) · extremes 27°–30°
  • 28° at night
  • 13 rainy days
  • 24 sunny days
  • 9 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • 29°C · warm for swimming
  • UV index 12 · extreme

Typical weather in May

Poor
  • 29° (feels like 33°) · extremes 27°–30°
  • 29° at night
  • 26 rainy days
  • 15 sunny days
  • 7 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • 30°C · warm for swimming
  • UV index 10 · very high

Typical weather in June

Poor
  • 29° (feels like 32°) · extremes 27°–30°
  • 28° at night
  • 27 rainy days
  • 10 sunny days
  • 6 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • 30°C · warm for swimming
  • UV index 9 · very high

Typical weather in July

Poor
  • 29° (feels like 31°) · extremes 27°–29°
  • 28° at night
  • 29 rainy days
  • 8 sunny days
  • 6 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • 29°C · warm for swimming
  • UV index 9 · very high

Typical weather in August

Poor
  • 29° (feels like 31°) · extremes 27°–30°
  • 28° at night
  • 28 rainy days
  • 9 sunny days
  • 6 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • 29°C · warm for swimming
  • UV index 10 · very high

Typical weather in September

Poor
  • 29° (feels like 31°) · extremes 27°–29°
  • 28° at night
  • 28 rainy days
  • 8 sunny days
  • 6 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • 29°C · warm for swimming
  • UV index 10 · very high

Typical weather in October

Poor
  • 28° (feels like 31°) · extremes 27°–29°
  • 28° at night
  • 29 rainy days
  • 8 sunny days
  • 6 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • 29°C · warm for swimming
  • UV index 9 · very high

Typical weather in November

Poor
  • 28° (feels like 29°) · extremes 26°–29°
  • 27° at night
  • 25 rainy days
  • 6 sunny days
  • 6 hours of sunshine per day
  • Oppressive humidity
  • Light breeze
  • 28°C · warm for swimming
  • UV index 8 · very high

Typical weather in December

Good
  • 26° · extremes 25°–28°
  • 26° at night
  • 15 rainy days
  • 7 sunny days
  • 6 hours of sunshine per day
  • Oppressive humidity
  • Windy
  • 27°C · warm for swimming
  • UV index 8 · very high

Climate data: NASA POWER + Copernicus ERA5 · 1996–2025

Top sights

  • Con Dao Prison is the main prison complex. The cells, courtyards and "tiger cages" show the harsh conditions.
  • Phu Hai Camp is one of the prison camps. It has cell blocks and exercise yards.
  • Con Dao Museum tells the story of the prison and of the islands.
  • Hang Duong is the largest cemetery for prisoners who died on the island. Many visitors come at night to light incense.
  • Bãi Đầm Trầu is a quiet beach north of the town.
  • Bay Canh Lighthouse is a lighthouse on Bay Canh Island, reached by boat.

Featured Lists

What to experience

  • Visit the prison sites: A guided walk gives context for the history.
  • Snorkel or dive: Reefs around the islands are among the best in southern Vietnam.
  • Watch turtles nest: In season, the national park runs guided night visits.
  • Walk a forest trail: Short trails lead through mangroves and old forest.
  • Relax on a quiet beach: Beaches here are less crowded than on the mainland.

Tours & Activities

Côn Đảo — Map

Côn Đảo — Map

Day trips

  • Bay Canh Island: a boat trip for beaches and turtle nesting in season. It needs a permit from the national park.
  • Hòn Cau and Hòn Tre Nhỏ: islands for snorkelling and diving.
  • National park trails: forest walks on the main island, including mangroves and old trees.
  • Ba Ria-Vung Tau: the mainland province on the route from Ho Chi Minh City.

Where to explore

Getting there

  • By air: Sân bay Côn Đảo (VCS) has short flights from Ho Chi Minh City. The flight takes about 1 hour. Book early in peak season.
  • By sea: Ferries run from the Mekong Delta coast. The crossing is long and can be rough. Check the schedule and the weather.
  • On arrival: Hotels and tour agencies in the main town arrange transfers from the airport.

Getting around

  • Scooter: Rental scooters are the main way to move around. Wear a helmet.
  • Bicycle: The coastal road is flat in places and pleasant in the morning.
  • Taxi and electric cars: Short rides inside the town and to nearby sights.
  • Tours: Boat trips and park visits are booked through hotels and agencies.

Driving

  • Is a car worth it? A scooter or a taxi is enough for the main island.
  • Roads: The island roads are quiet and well kept. Watch for sharp bends near the coast.
  • Parking: Parking is easy near most sights.

Food & drink

Côn Đảo food is simple and based on seafood. Look for grilled fish, squid, shrimp and fish soups. Local snacks include almond fruit and sweet potato dishes. The night market in the town has small stalls.

Most restaurants are near the centre of Côn Sơn.

Breakfast
Pho  PhởBeef or chicken noodle soup with a fragrant broth, fresh herbs, and rice noodles; commonly eaten for breakfast.
Lunch
Bun Cha  Bún chảGrilled pork patties and slices served with rice vermicelli, herbs, and a sweet-sour dipping sauce; a Hanoi specialty.
Bun Bo Hue  Bún bò HuếA spicy, lemongrass-scented beef noodle soup from the city of Hue.
Cao Lau  Cao lầuA noodle dish unique to Hoi An, with thick chewy noodles, pork, and greens, traditionally made with local well water.
Snacks & street food
Banh Mi  Bánh mìA French-influenced baguette sandwich filled with pork, pate, pickled vegetables, and herbs.
Banh Xeo  Bánh xèoA crispy turmeric rice-flour crepe filled with pork, shrimp, and bean sprouts, wrapped in lettuce and herbs.
Goi Cuon  Gỏi cuốnFresh (uncooked) spring rolls filled with shrimp, pork, herbs, and vermicelli, wrapped in rice paper.
Sweets & desserts
Che  ChèA category of sweet dessert soups or puddings made with beans, fruit, jelly, and coconut milk, served hot or over ice.
Drinks
Ca Phe Sua Da  Cà phê sữa đáStrong drip coffee served over ice with sweetened condensed milk; Vietnam's signature drink.
Bia Hoi  Bia hơiCheap, light draft beer brewed fresh daily and sold at street-side stalls, especially in Hanoi.

Safety & health

Côn Đảo is a quiet and safe island, but some points need care.

  • Seas can be rough in the rainy season. Boat trips may be cancelled.
  • Wear a helmet when riding a scooter.
  • Sun is strong. Use sunscreen and drink water.
  • Follow park rules. Take no coral, shells or turtle eggs.
  • Medical services are basic. Bring any medicine you need.

History

The islands were a prison site for decades. The French opened a prison in 1862, and many Vietnamese political prisoners were held and died here. The camps, including Phu Hai Camp, were used again after 1954.

After 1975 the prisons were turned into memorials. Today the islands are also a protected national park known for turtles, reefs and forest.

Country facts

Quick practical facts for Vietnam at a glance:

Currency
Vietnamese Dong VND ₫ · Card payments · Commonly accepted
Electricity
Type A / Type C / Type F
220 V · 50 Hz
Languages
Vietnamese
Tap water
Not safe to drink
Driving side
Right
Calling code
+84
Learn more
Phu Hai Camp
Walk
Phu Tuong Camp
Drive
Bãi Đầm Trầu

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Data: © OpenStreetMap contributors, Wikidata, Wikipedia, Tripomatic, Official websites, geoBoundaries (CC BY 4.0). Travel guide generated with AI.