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East of Halong Bay and largely off the tourist trail, Bai Tu Long Bay is one of northern Vietnam's most rewarding and least appreciated destinations. It shares the same sweeping limestone karsts and emerald waters as its famous neighbour, but the similarities largely end there. Where Halong Bay draws millions of visitors a year, Bai Tu Long remains quiet, unhurried, and in many parts untouched. Few destinations in the region offer this range within such a compact area, and fewer can without the crowds. Here are 10 things to do in Bai Tu Long Bay.
Top 10 Things to Do in Bai Tu Long Bay
1. See the Bay on a Cruise
2. Go squid fishing after dark
3. Dine in a candlelit cave
4. Kayak through the caves and lagoons
5. Explore Thien Canh Son Cave
6. Swim and snorkel at Ban Chan Beach
7. Visit Vung Vieng floating village
8. Explore Bai Tu Long National Park
9. Spend a day on Quan Lan Island
10.Watch the sunrise from the deck
1. Experience the Bay on a Cruise
The best way to experience Bai Tu Long Bay is from the water, and the cruising experience here feels noticeably different from Halong Bay. With far fewer operators licensed to enter the bay, the vessels tend to be smaller and more intimate, and the water between the karsts is quieter and less trafficked. Day trips offer a good introduction, but an overnight cruise is the better option if you can manage it - the bay in the early morning, before any other boats are on the water, is a version of northern Vietnam's coastline that most visitors never get to see.
2.Go Squid Fishing After Dark
Of the three bays in the Quang Ninh region, Bai Tu Long is the most remote after dark - and that remoteness makes the squid fishing experience here the most atmospheric. Once the sun goes down, crew members set up rods and bright lights along the side of the boat to draw squid to the surface, and with no other vessels or lights on the horizon, the bay feels vast and quiet in a way that is genuinely hard to describe. It is a social, unhurried activity that gives you a real sense of the bay at night. Most overnight cruise operators include it as a complimentary evening activity, and if you manage a good catch, some crews will cook it for you on the spot.
3. Dine in a Candlelit Cave
One of the more memorable and distinctive experiences available in Bai Tu Long Bay is a candlelit dinner inside a cave - an activity offered by a handful of cruise operators and one that is specific to this bay. As the name suggests, dinner is served inside a natural cave chamber, lit by candles, with the sound of the water just outside and surrounded by atmospheric karst walls. It is a simple concept that turns an ordinary evening meal into something special. If this is something you are interested in, check with your operator when booking, as not all cruises include or offer this experience.
4. Kayak Through the Caves and Lagoons
Bai Tu Long Bay's relative seclusion makes kayaking here a more exploratory and peaceful experience than in the busier waters of Halong. Narrow passages open into hidden lagoons, and the limestone formations feel more intimate when you are navigating between them at water level with no other boats in sight. Most cruise operators include a kayaking stop as part of their itinerary, and a morning slot is preferable when the light is at its best and the caves are at their quietest. For those who would rather sit back and let someone else do the work, a thuyền nan - a small bamboo boat rowed by a local fisherman - is a relaxed and equally rewarding alternative.
5. Explore Thien Canh Son Cave
Thien Canh Son is the signature cave of Bai Tu Long Bay and one of the most impressive in the wider region. Unlike some of the more easily accessible caves in Halong, reaching the main chamber here involves a climb of around 400 stone steps - but the effort is well rewarded. Inside, the cave opens into a vast space filled with stalactite and stalagmite formations that locals describe as resembling lotus blooms, elephants, and mythical creatures. From the upper section of the cave, there is a viewpoint that looks out over the bay and the surrounding islands, which is worth the climb on its own. Check with your cruise operator beforehand as entrance arrangements can vary.
6. Swim and Snorkel at Ban Chan Beach
Ban Chan Beach - sometimes referred to as Foot Beach - is one of the most pristine and least visited beaches in the Quang Ninh region, and a stop here is one of the highlights of any Bai Tu Long Bay cruise. The water is exceptionally clear, the sand is fair, and the surrounding landscape of karsts and greenery gives the place a remote, almost untouched feeling. Swimming here is a pleasure in itself, and the visibility beneath the surface makes it one of the better snorkelling spots in the bay. While most cruise operators provide basic snorkelling gear - it is worth checking when you book.
7. Visit Vung Vieng Floating Village
Located around 20 kilometres from the mainland in the heart of Bai Tu Long Bay, Vung Vieng is one of the most visited floating fishing villages in the region - and rightly so. The village offers an incredibly picturesque setting, with colourful floating houses and fishing boats bobbing against the backdrop of the bay's limestone karsts. Life here moves at its own pace, and a visit by kayak or thuyền nan gives you a quiet and unhurried look at a community that has lived on the water for generations. Be respectful of residents throughout - this is a working village, not a tourist attraction - and follow your guide's instructions.
8. Explore Bai Tu Long National Park
Bai Tu Long National Park is one of the region's lesser-known highlights and is not included on most cruise itineraries, making it a rewarding addition for those with an extra day to spare. The park has recently been recognised as an ASEAN Heritage Park - a designation that reflects the richness of its ecosystems. On land, trekking trails wind through dense tropical forest and up to viewpoints overlooking the bay, passing through habitats that are home to rare wildlife, including white-headed langurs, one of the world's most endangered primates.
9. Spend a Day on Quan Lan Island
Quan Lan Island sits at the heart of the ancient Van Don trading port, which was one of northern Vietnam's most significant commercial hubs nearly nine centuries ago, and remnants of that history can still be found across the island. Beyond the history, Quan Lan has beautiful and largely empty beaches, a lively local market where fresh seafood is landed and sold each morning, and dense forest and pine groves that make for pleasant walking. For the more adventurous, local guides can take you out to try catching peanut worms - a rare delicacy found in the sand of the island's shores and almost nowhere else in Vietnam.
10. Watch the Sunrise from the Deck
Of all the things to do on an overnight cruise in Bai Tu Long Bay, waking up early to watch the sunrise from the deck is the simplest - and perhaps the most rewarding. With no other boats on the water and the karsts emerging slowly from the morning mist, the bay at dawn feels genuinely remote and peaceful in a way that is increasingly rare in this part of Vietnam. Sunrise typically falls between 5:30 and 6 am, depending on the season - check the night before so you know when to set your alarm.
Quick Facts & Common Questions
Bai Tu Long Bay is best visited in spring (March to May) or autumn (October to December), when the weather is dry, and the sea is calm. Summer is warmer but carries a higher chance of storms in July and August, while winter is quieter and more budget-friendly. Most cruises depart from Hon Gai pier in Ha Long city, around three to four hours from Hanoi by road. Unlike Halong Bay, the number of licensed operators is limited, so booking in advance is more important here.
Bai Tu Long is worth visiting even if you have visited Halong Bay before. It has fewer boats, quieter waters, and experiences like the candlelit cave dinner and Quan Lan Island that you simply will not find in Halong. For returning visitors to the region, it is often the more memorable of the two.
Bai Tu Long Bay rewards a little extra effort. The journey is slightly longer and the cruise options fewer, but the payoff is a stretch of northern Vietnam's coastline that feels genuinely unspoiled. If you have already seen Halong and Lan Ha Bay, Bai Tu Long is the natural next step - quieter, wilder, and well worth the detour.
