15 Best Things to Do in Ha Long Bay (2025 Guide for International Travelers)

Ha Long Bay, a UNESCO World Heritage Site, is one of Vietnam’s most iconic destinations, and for good reason. Picture yourself sailing between over 2,000 limestone islands, rising dramatically from emerald waters, each covered in lush greenery and hiding mysterious caves.

From cruising through turquoise bays to visiting floating fishing villages and stargazing under clear skies, this surreal seascape offers endless ways to explore. In this guide, you’ll find the best things to do in Ha Long Bay, must-see attractions, outdoor adventures, and local experiences in Ha Long City that will turn your trip into a memory of a lifetime.

What Is Ha Long Bay Famous For?

Ha Long Bay, which means “descending dragon”, carries both legendary and geological weight. According to local lore, a dragon descended to defend Vietnam from invaders, scattering jade and emeralds into the sea, these became the limestone islands that now rise dramatically from the water. Today, this UNESCO World Heritage Site is renowned for its towering karsts, hidden caves, tranquil fishing villages, and pristine beaches. As you cruise on a traditional wooden junk, the horizon slowly reveals a surreal landscape of emerald peaks and turquoise waters. Beyond sightseeing, visitors can kayak through sea caves, swim with glowing plankton, or even try rock climbing on limestone cliffs. It’s not just a place you see, it’s one you feel.

Things to Do in Ha Long Bay, Viet Nam

Overnight Cruise in Ha Long Bay

Spending a night, or even two, on a cruise ship in Ha Long Bay isn’t just an option; it’s the best way to truly experience this natural wonder. With over 2,000 limestone islands and islets, a cruise allows you to wake up in different corners of the bay, discovering both iconic sights and hidden gems, all while enjoying the comforts of a floating hotel.

Depending on your cruise, a range of onboard activities may be included. You might start your morning with Tai Chi or yoga on the top deck, as the sun rises over the cliffs. Daytime excursions often include kayaking through lagoons, visiting caves, swimming, or simply relaxing on quiet beaches. Onboard, you can enjoy cooking classes, sunbathing, or sipping cocktails while taking in the view.

After sunset, the atmosphere becomes more relaxed and social, with options like squid fishing, karaoke, movie nights, or just stargazing from the deck.

Luxury cruises often include spa and massage treatments, ideal after a day of adventure. Meals are typically buffet-style or multi-course Vietnamese set menus, served fresh on board, with some cruises offering cooking demonstrations as well.

If you’re ready to wake up to Ha Long’s misty mornings and limestone peaks, you can check overnight cruise options here.

Kayaking in Ha Long Bay

Among all the ways to explore Ha Long Bay, kayaking stands out as one of the most immersive and unforgettable. Sitting low on the water in your own kayak, you’ll glide beneath towering limestone cliffs, through quiet lagoons, and into mysterious caves like Luon Cave or Bright and Dark Cave. It’s a chance to truly feel the scale and serenity of the bay, to spot birds nesting on the rocks, or even reach out and touch stalactites that have formed over thousands of years.

Most day cruises and overnight tours include kayaking as part of the experience, often in calm, scenic spots like Vung Vieng fishing village, Ba Trai Dao, or Frog Lake. For those who want a gentler option, local bamboo boats offer a relaxed way to admire the view.

Voted by National Geographic Adventure as one of the world’s top 25 kayaking destinations, Ha Long Bay is especially ideal from March to June and October to December, when the weather is dry, warm, and the waters calm.

Explore the Most Famous Caves in Ha Long Bay

Hidden within the towering limestone formations of Ha Long Bay lie some of the most mesmerizing caves in Southeast Asia. These natural wonders, formed over millions of years, are filled with dramatic stalactites and stalagmites, soaring chambers, and stories etched in stone.

The most famous is Sung Sot Cave (Surprise Cave), with vast open spaces and ceiling formations that look like a fantasy cathedral. Then there’s Thien Cung Cave (Heavenly Palace Cave), known for its vibrant rock formations and surreal lighting effects. Dau Go Cave, rich in historical legend, feels like a natural fortress carved by the sea.

Some caves, like Luon Cave, are only accessible by kayak or bamboo boat, where you paddle under low stone arches into hidden lagoons. Others, like Trinh Nu Cave, are not only beautiful but steeped in folklore, offering both visual awe and emotional storytelling.

Cycling Through Local Life and Landscapes in Ha Long Bay

If you’re looking for a more personal way to experience Ha Long Bay beyond the water, cycling is a fantastic choice. It’s not just about exercise, it’s about slowing down, feeling the breeze, and connecting with local life.

Bikes (and tandem bikes) are available for rent at hotels or along the city roads, typically costing around 20,000 VND (~$1 USD) per hour. Many cruises include a stop near floating fishing villages, giving you the perfect chance to hop off and explore the area by bike. Chatting with locals, meeting playful children, and pedaling along quiet village paths can turn into some of your most memorable moments.

For those seeking a bit more adventure, try riding across Bai Tho Bridge 1 and 2, where you’ll get sweeping views of the coast and watch fishermen busy at work. Or head to Viet Hai Village, nestled deep in the jungle and surrounded by towering mountains, an “isolated oasis” only accessible by boat and bike. Here, you can explore traditional homes, take in the lush greenery, and breathe in the fresh, open air.

And if you’re up for it, combine biking with a morning beach trek, nothing quite like watching the bay awaken under golden sunlight while riding or walking along the coast.

Snorkeling and Scuba Diving

If you’re drawn to the ocean and want to see Ha Long Bay from a whole new perspective, snorkeling and scuba diving offer an unforgettable way to connect with its underwater world.

Between April and December, when water temperatures range from 26°C to 29°C (78°F to 84°F), conditions are perfect for diving. Beneath the calm turquoise surface lie vibrant coral reefs and colorful marine life, especially around Tuan Chau Island, Cat Ba, and Lan Ha Bay. These areas are ideal for both beginners and experienced divers, with guided tours available for all skill levels.

Beyond just diving, many visitors choose to stay at nature-style resorts on Cat Ba Island, combining underwater adventures with peaceful beachside living. Whether you’re floating with a snorkel or descending deeper with a tank, you’ll be immersed in a hidden side of Ha Long Bay that few travelers get to experience, one filled with motion, color, and wonder.

Visiting Halong Bay’s Floating Villages

Exploring the floating villages of Halong Bay is like stepping into a different rhythm of life, one where people live in harmony with the sea. Places like Cua Van, Vung Vieng, Ba Hang, and Cong Dam are among the last remaining traditional fishing communities that still float peacefully on the emerald waters.

Generations of fishermen have built their lives here, in colorful wooden homes that gently bob on the waves. Some live on floating houses year-round, while others come daily from the mainland to fish or work in tourism. You might see kids rowing to a floating school, families untangling fishing nets, or quiet smiles exchanged as boats glide by.

These villages offer more than just scenic charm, they provide a window into a resilient and sustainable way of life, shaped by the tides and guided by deep respect for the ocean. Taking a boat tour here isn’t just sightseeing, it’s an invitation to witness a culture slowly fading, yet still beating strong at the heart of Halong Bay.

Travel Tip: Did you know? Cua Van was voted as one of the 15 most beautiful fishing villages in the world. Its surreal setting, floating houses framed by limestone cliffs, and rich cultural traditions make it one of the most unique places to visit in Ha Long Bay.

Seaplane Ride Over Ha Long Bay

If you’re looking to upgrade your adventure in Vietnam, few things compare to the thrill of seeing Ha Long Bay from above. A seaplane ride offers a truly unforgettable bird’s – eye view of the emerald waters and limestone karsts that make this UNESCO World Heritage Site so iconic.

The journey takes just 45 minutes from Hanoi’s Noi Bai Airport to Tuan Chau Marina in Ha Long, saving hours on the road. But the real highlight? The scenic flight, where you soar at an altitude of 300 meters and get a panoramic view like no other.

Operated exclusively by Hai Au Aviation, this experience doesn’t come cheap, prices range from 95 USD for a 25-minute scenic flight over Ha Long Bay to 400 USD+ for a round-trip from Hanoi. But for many travelers, it’s a once- in- a- lifetime experience worth every cent, not just for the view, but for the comfort, professional service, and sheer awe of flying over one of the world’s natural wonders.

Hike to the Top of Bai Tho (Poem) Mountain

For one of the best panoramic views in Ha Long Bay, take on the short but rewarding hike to the top of Bai Tho Mountain, also known as Poem Mountain. With a height of just 200 meters, the climb takes about an hour and is suitable for most fitness levels.

The mountain gets its name from a poem carved into the cliff by King Le Thanh Tong in 1468. Today, it remains a poetic and peaceful escape above the bustling city below. From the summit, you’ll be rewarded with breathtaking views of the limestone karsts, fishing boats, and the shimmering emerald waters stretching out to the horizon.

The trail itself winds through lush greenery where you might spot wild goats grazing and hear birdsong echoing through the cliffs. It’s especially magical at sunrise or sunset, so bring a good camera and plenty of water.

Though the air here stays cool year-round, make sure to wear proper shoes and prepare carefully, as the trail can be steep in sections. This is more than a hike, it’s a moment of quiet reflection above one of Vietnam’s most stunning natural wonders.

Take a Cruise to Bai Tu Long Bay

While Ha Long Bay often takes the spotlight, Bai Tu Long Bay, just to the northeast, offers a more tranquil and less touristy escape. With dramatic limestone mountains, pristine beaches, hidden caves, and quiet floating villages, this lesser-known bay is perfect for travelers seeking a more peaceful, off-the-beaten-path experience.

Cruises to Bai Tu Long Bay often include stops at Thien Canh Son Cave, where you can learn about the bay’s geological history, and Vung Vieng Fishing Village, where you can kayak through calm waters and get a glimpse of daily life on the water. Ban Chan Island is ideal for snorkeling and sunbathing, while the quiet beauty of Ang Du and Cong Dam offers chances to unwind or explore further.

Some islands even have cycling routes, allowing you to ride through lush forests and admire the natural beauty from a different angle. Bai Tu Long isn’t just a detour, it’s a destination that reveals the quieter soul of this UNESCO-protected seascape.

Explore the Wild Beauty of Cat Ba Island

If you’re looking to extend your Ha Long Bay adventure, Cat Ba Island is a must-visit destination. As the largest island in the bay, Cat Ba offers a perfect mix of ocean, jungle, and local life, making it a favorite for nature lovers and outdoor enthusiasts.

About a third of the island is covered by Cat Ba National Park, a UNESCO-recognized biosphere reserve. This area is home to rare species like the golden-headed langur, over 570 types of fauna and flora, and dense tropical forests. Hiking through its trails offers a refreshing escape into nature and a chance to spot wildlife found nowhere else.

Beyond the jungle, Cat Ba welcomes visitors with quiet beaches, snorkeling spots, rock climbing routes, and kayaking adventures through hidden coves. You can also relax on Monkey Island, explore limestone caves, or visit ancient floating villages that reveal the area’s long fishing traditions.

Accommodation options range from eco-lodges tucked in greenery to cozy beach bungalows, perfect for those wanting to slow down and soak in the peaceful rhythm of island life.

Go Hiking in Cat Ba National Park and Beyond

Halong Bay isn’t just about cruising, it’s also a great place for hiking if you’re craving a bit of land-based adventure. One of the top spots is Cat Ba National Park, located on Cat Ba Island. This lush park is a biodiversity hotspot, home to rare wildlife like macaques, hornbills, civets, and the critically endangered golden-headed langur.

The park offers several hiking routes, ranging from short forest walks to more intense climbs, including an 18-kilometer trail to the park’s highest peak. The longer trails require stamina and time, but there are also easier hikes to scenic viewpoints for those who prefer a more relaxed pace.

You’ll also find short hiking trails on smaller islands around Halong Bay. These paths lead to elevated viewpoints, where you can enjoy sweeping panoramic views of the limestone karsts and turquoise waters below, a perfect reward for a little legwork.

Lan Ha Bay

If you’re drawn to the beauty of Ha Long Bay but want to avoid the crowds, Lan Ha Bay is the perfect alternative. Located just to the south of Ha Long Bay and technically an extension of it, Lan Ha offers the same dramatic limestone formations, emerald waters, and stunning seascapes, but with far fewer boats and tourists.

Lan Ha Bay boasts around 400 lush islets, covered in dense greenery and surrounded by calm, clear waters. The bay is also rich in biodiversity, home to over 200 species of fish, 500 mollusk species, coral reefs, seals, and even three kinds of dolphins. This untouched marine life makes the bay ideal for kayaking, snorkeling, and swimming.

For a laid-back experience, travelers can paddle through hidden lagoons, explore floating villages like Cai Beo, or relax on quiet beaches such as Cat Dua and Bai Cat, many of which are only accessible by boat. These small beaches nestled at the base of limestone cliffs are also perfect for private BBQs or overnight camping.

Unlike the more commercialized Ha Long, Lan Ha Bay retains a sense of isolation and pristine charm. You’ll find options ranging from eco-bungalows and hostels to overnight cruises, allowing you to fully soak in the peaceful atmosphere, waking up to the sounds of waves and views of towering cliffs.

Whether it’s kayaking in Van Boi, spotting coral reefs near Ba Trai Dao, or simply watching the sunset from a boat deck, Lan Ha Bay is where you can truly connect with nature, without the crowds.

Try Rock Climbing in Lan Ha Bay

If you’re looking for something more adrenaline-pumping than kayaking or swimming, rock climbing in Lan Ha Bay might just be your next adventure. The bay is not only serene and scenic but also full of towering limestone cliffs that attract climbing enthusiasts from all over the world.

Whether you’re a beginner or an experienced climber, there are guided tours that offer safe and exciting routes, with the bonus of jaw-dropping sea views from the top. It’s a great way to physically engage with the landscape while still feeling deeply immersed in nature.

How to Get to Ha Long Bay

Located about 100 miles (160 km) east of Hanoi, Ha Long Bay is easily accessible by various means of transport, whether you’re coming from the capital or directly from Noi Bai International Airport.

The most common way to reach Ha Long Bay is by bus or luxury limousine van, which takes around 2.5 to 3.5 hours depending on traffic. Many cruise operators include hotel pickup in Hanoi, but even if yours doesn’t, booking your own transfer is simple. Limousine vans are a popular choice thanks to their comfort, air conditioning, and door-to-door service.

Best Time to Visit Ha Long Bay

When it comes to Ha Long Bay, timing can make all the difference. For ideal weather and clear skies, the best months to visit are March to May and September to November. These shoulder seasons offer mild temperatures, sunny days, and calm seas, perfect for cruising, kayaking, and sightseeing. It’s also less humid than the summer months, making outdoor activities much more enjoyable.

If you’re traveling on a budget, consider visiting between May and September. This is the low season, when cruise prices can drop by 10–20%, and great last-minute deals are often available. Just keep in mind that this is also Vietnam’s summer, so the weather can be unpredictable, with occasional rain showers or even typhoons. Always check the forecast and your cruise’s cancellation policy in advance.

If you’re hoping for sunshine, try to avoid visiting from December to February. Northern Vietnam can get surprisingly chilly and overcast during winter, which can take away some of Ha Long Bay’s magic.