1. Cruising Around Lan Ha Bay

• Location: Lan Ha Bay and Halong Bay
• Operating hours: Morning and afternoon cruises available daily. There are day cruises, and 2-day-1-night to up to 4-day-3-night cruises.
• Price: VND 500,000 - 1,500,000 per person (USD 20 - 60 per person)

Exploring Lan Ha Bay by boat is one of the most relaxing and visually captivating experiences you can enjoy while visiting Cat Ba Island. This serene neighbor of Ha Long Bay is dotted with hundreds of limestone islets, hidden coves, and emerald green waters. Most cruises include stops at floating fishing villages, swimming or snorkeling in secluded lagoons, and a delicious seafood lunch served on board. As the boat glides past jungle-covered cliffs and uninhabited islands, you’ll feel like you've stepped into a natural paradise.

Lan Ha Bay is more secluded compared to Halong Bay

For those seeking a more immersive experience, consider an overnight cruise, which allows you to sleep under the stars and wake up to the stillness of the bay. Some luxury tours include onboard cooking classes, kayaking through sea caves, and guided visits to local communities. Whether you're a couple seeking romance or a family looking for soft adventure, cruising Lan Ha Bay provides the perfect balance of comfort and exploration.

2. Kayaking Through Lan Ha’s Scenic Sea Caves

• Location: Ao Ech, Ba Trai Dao - located within Cat Ba Archipelago
• Operating hours: Varies depending on tour schedule, usually depart in the morning
• Price: VND 100,000 - 200,000/hour (USD 4 - 8) or included in cruise

Kayaking in Lan Ha Bay offers a peaceful yet exhilarating way to get closer to nature. As you paddle through gentle waters, you’ll pass under low limestone arches and into mysterious sea caves like Dark & Bright Cave, where shafts of sunlight illuminate the water below. The bay is dotted with small, hidden beaches and mangrove forests that are inaccessible to larger boats, making kayaking an ideal way to discover untouched corners of the landscape. The calm waters make this activity suitable even for beginners or children, with safety gear and guides often included.

Kayaking is the only way to explore the small corners of Cat Ba Archipelago

Guided kayaking tours typically depart from larger boats or floating docks and last from 1 to 3 hours, depending on the route. Many include ecological insights from local guides, who explain the unique rock formations, marine life, and history of the bay. Whether you go solo or join a group, kayaking in Lan Ha Bay is a meditative, muscle-powered adventure that brings you intimately in touch with the island's aquatic beauty.

3. Trekking in Cat Ba National Park

• Location: Cat Ba National Park
• Opening hours: 7:00 AM – 5:00 PM
• Price: VND 80,000 per person (USD 3)

Trekking through Cat Ba National Park is an essential experience for those who love exploring the outdoors. The park spans over 26,000 hectares and is home to a rich diversity of plant and animal life, including the critically endangered Cat Ba langur. Trails vary in difficulty, from the short 1.5-kilometer hike to Ngu Lam Peak — which rewards you with panoramic views over jungle and karst formations — to longer treks that wind deeper into the park’s rugged terrain. Along the way, you might encounter birds, butterflies, and native orchids tucked into the greenery.

You can spend one day trekking through the jungle of Cat Ba National Park

If you’re up for a longer journey, consider the trail that leads to the remote Viet Hai Village, combining forest trekking with cultural discovery. Guided tours are available and highly recommended for spotting wildlife and learning about the unique biosphere. The park also features natural caves, freshwater lakes, and a cool forest canopy that offers a welcome break from the tropical sun. It’s an invigorating activity that connects you with the ecological heartbeat of the island.

4. Discovering the Untouched Beauty of Van Boi Island

• Location: Van Boi Island, with boat accessible from Beo Harbour
• Operating hours: Open access, visits during daylight hours
• Price: Boat transfer VND 300,000 - 500,000 per person (USD 12 - 20)

Van Boi Island is one of the lesser-known gems of the Cat Ba archipelago. This quiet island, nestled within Lan Ha Bay, offers a picture-perfect escape from the noise of modern life. It’s best known for its clear waters, soft sand, and shallow coral areas ideal for snorkeling or swimming. With minimal development, the island is perfect for those who want to unplug, read a book on the beach, or enjoy a peaceful picnic by the sea.

The wild beauty of Van Boi beach, nestled in the middle of Cat Ba Island

Because it’s relatively isolated, Van Boi remains uncrowded even during peak season, making it a top pick for couples or small groups seeking privacy. Many boat tours include a stop here, or you can charter a small boat for a half-day excursion. Some visitors choose to bring their own snorkeling gear or rent it from Cat Ba town before departure. There are no formal facilities, so plan accordingly and pack out whatever you bring in.

5. Exploring the Wonders of Cat Ba Caves

• Location: Trung Trang Cave, Hospital Cave, Dark & Bright Cave
• Hours: 7:00 AM – 5:00 PM
• Entrance fee: VND 50,000 - 120,000 per person (USD 2 - 4.6). The entrance fee of each cave is different, but the entrance fee is usually included in the tour price.

Cat Ba Island is home to a network of fascinating caves, each offering a different glimpse into its natural and historical landscape. Trung Trang Cave, the most famous, stretches 300 meters through a dense forest and is filled with dramatic stalactites. Hospital Cave is a man-made marvel used as a secret field hospital during the Vietnam War — walking through its reinforced chambers is like stepping into a time capsule. Meanwhile, Dark & Bright Cave combines kayaking and cave exploration for a unique half-water, half-stone experience.

Inside the Military Hospital Cave

These caves are easily accessible via a short drive or motorbike ride from Cat Ba Town. Whether you're into geology, history, or photography, exploring the caves offers a cool (literally!) contrast to the island’s sunny coastlines. Be sure to bring good footwear, as paths can be damp and slippery, and consider hiring a guide to fully understand the cultural and natural significance of each site.

6. Swimming at Cat Co’s Pristine Beaches

• Location: Cat Co 1, 2, and 3 Beaches
• Hours: 6:00 AM – 6:00 PM
• Price: Free entry

For many visitors, no trip to Cat Ba Island is complete without a day spent lounging on one of its iconic beaches. The three main spots — Cat Co 1, 2, and 3 — are nestled between rocky headlands just outside Cat Ba Town. Each offers soft white sand, calm swimming areas, and views of the open sea framed by jungle-clad cliffs. Lifeguards are on duty during peak hours, and the shallow waters make it ideal for families with kids.

Cat Co Beach is a must-visit when at Cat Ba Island

Cat Co 1 is the most spacious and often the busiest, while Cat Co 2 is quieter and surrounded by dramatic rocky scenery. Cat Co 3, now more developed, offers seaside cafés and modern resorts nearby. You can rent umbrellas and loungers, sip fresh coconut juice, or enjoy beachside massages. At sunset, locals and tourists alike gather here to watch the sky fade over the horizon — a daily ritual that captures the island’s simple charm.

7. Experiencing Traditional Life in Cai Beo Fishing Village

• Location: Cai Beo Floating Village
• Hours: Daytime visits recommended
• Price: Boat tour VND 200,000 - 400,000 per person (USD 8 - 16)

Cai Beo is believed to be one of Vietnam’s oldest fishing villages, with roots tracing back over 7,000 years. Today, it remains a vibrant floating community where dozens of homes bob on anchored pontoons, and villagers tend fish farms below their kitchens. A visit here is more than a scenic detour — it’s a rare cultural experience. You’ll see how locals raise seafood like grouper, crab, and squid, using age-old methods passed down through generations.

With over 300 floating houses, Cai Beo Floating Village offers a unique glimpse into traditional Vietnamese culture and lifestyle

Many boat tours from Cat Ba Town include a stop in Cai Beo, but it’s also worth arranging a private trip to spend more time interacting with residents. Some families welcome visitors into their floating homes for tea or fresh seafood tastings. This is a peaceful, authentic glimpse into life lived on water, perfect for travelers interested in Vietnamese coastal culture.

8. Visiting Monkey Island and See Endangered Langurs

• Location: Monkey Island
• Hours: 7:00 AM – 5:00 PM
• Price: Boat tour VND 250,000 - 400,000 per person (USD 10 - 16)

Monkey Island, officially known as Cat Dua Island, is famous for its resident monkeys and picturesque beaches — but it’s also an ecological sanctuary. The highlight here is the opportunity to see Cat Ba langurs, an endangered primate species found only in this region. While the monkeys near the beach can be quite bold and playful, the langurs live deeper in the island’s protected forest. A light trekking trail leads to a viewpoint with panoramic vistas over Lan Ha Bay.

Monkey Island is a small island located in Halong Bay, known for its diverse ecosystem and playful monkeys

Most visitors come for the mix of nature and wildlife photography, but it's also a great beach spot for swimming or kayaking. Be mindful not to feed the monkeys, as they can become aggressive. Guided tours ensure safety while also sharing valuable information about the island’s conservation efforts. If you're lucky, you might witness langurs in their natural habitat — a rare sight even for seasoned travelers.

9. Biking Around The Secluded Viet Hai Fishing Village

• Location: Viet Hai Village, accessible by boat + bike
• Hours: 7:00 AM – 6:00 PM
• Price: Bike rental VND 50,000–100,000 (USD 2–4)

Nestled deep within Cat Ba National Park, Viet Hai Village offers an idyllic escape into a slower, simpler world. To get there, visitors take a boat to the dock, followed by a scenic bike ride through rice fields, limestone valleys, and forested paths. The ride itself is a highlight — tranquil and picturesque, with the occasional water buffalo or friendly villager waving hello. Viet Hai’s stone houses, herbal gardens, and self-sufficient lifestyle offer a look at rural Vietnam untouched by mass tourism.

Bike through the beautiful roads of Viet Hai Village is the best way to explore the local life

Once in the village, you can enjoy a home-cooked meal at a local guesthouse, chat with farmers about their traditional practices, or even try organic herbal foot baths. Some visitors opt to camp or stay overnight in eco-lodges, making the most of the cool night air and star-filled skies. It's a soul-refreshing contrast to the beaches and boat life elsewhere on the island.

10. Rock-Climbing on Dramatic Limestone Cliffs

• Location: Hon Nghieng Island, Dau Be Island, Tien Ong Island
• Hours: 8:00 AM – 5:00 PM
• Price: VND 700,000–1,200,000/session (USD 28–48)

Cat Ba has emerged as one of Southeast Asia’s premier rock-climbing destinations thanks to its vertical limestone cliffs, stunning views, and well-developed routes. Whether you're a beginner or an experienced climber, local outfitters provide everything from gear rental to professional guides. Popular climbing spots include Butterfly Valley — a lush inland crag with over 60 bolted routes — and the overwater cliffs of Lan Ha Bay, where deep water soloing offers an adrenaline-pumping experience without ropes.

Climbers rave about the setting: dramatic karst scenery, chirping birds, and the occasional monkey watching from above. Safety is top priority, and local guides ensure all equipment is up to international standards. It's an ideal adventure for sporty travelers and photographers looking to capture the raw beauty of Cat Ba from above.

11. Squid-Fishing During Nighttime

• Location: On arranged night cruises
• Hours: 6:00 PM – 10:00 PM
• Price: VND 300,000 - 500,000 per person (USD 12 - 20)

Night squid fishing offers a fascinating look into the life of Cat Ba’s local fishermen — and it’s also surprisingly fun. After sunset, you’ll board a small boat equipped with strong lights that attract squid to the surface. Your guide will show you how to use simple fishing gear, and with a bit of luck, you’ll haul up a wriggling catch. Freshly caught squid can be grilled right on the boat for an ultra-local dinner.

Squid fishing can be an unique memory for many travelers at Cat Ba Island

This activity is ideal for families and night owls who want something beyond the usual nightlife. It’s peaceful on the water at night, with views of distant islands twinkling under the stars. Some operators also provide warm tea, snacks, and stories of maritime life. It’s a cozy, interactive way to end your day on the island.

12. Savoring Authentic North Vietnamese Cuisine on Cat Ba

• Location: Local restaurants around Cat Ba Town
• Hours: 10:00 AM – 10:00 PM
• Price: VND 80,000 - 250,000 per person (USD 3 - 10)

Cat Ba’s culinary scene is a treat for the senses, especially for fans of fresh seafood and Northern Vietnamese specialties. Start your food journey with banh cuon tom (steamed rice rolls with shrimp), then dive into local classics like goi ca trich (raw herring salad) or cha muc (grilled squid patties). Many seaside restaurants offer hot pots made from the catch of the day, served with herbs, rice noodles, and dipping sauces that are both tangy and fragrant.

Cha muc - a must-eat when in Cat Ba and can be bought as souvenirs

Eating on Cat Ba isn’t just about the food — it’s the atmosphere. Many eateries have open-air terraces where you can dine with ocean views and watch boats bobbing in the harbor. Don’t miss the street food scene either; from skewered grilled oysters to coconut jelly, there's something delicious for every budget and taste.

13. Summiting Ngu Lam Peak for Breathtaking Views

• Location: Ngu Lam Peak, inside Cat Ba National Park
• Hours: 7:00 AM – 5:00 PM
• Price: Included in park entry – VND 80,000 per person (USD 3)

For those craving a satisfying hike and postcard-worthy views, Ngu Lam Peak delivers on both fronts. This short but rewarding trail takes you uphill through dense jungle, over rocky paths, and up to a viewpoint overlooking the entire island and Lan Ha Bay. The climb takes about 30 - 45 minutes each way and is moderately challenging, with stairs and handrails in steeper parts.

Enjoy the panoramic view from Ngu Lam Peak

The payoff? A sweeping panorama of lush hills, winding coastlines, and distant limestone islands that shimmer under the sun. It’s best visited early in the morning or late in the afternoon to avoid the heat. Bring water, wear sturdy shoes, and don’t forget your camera — the view from the top is one of the most breathtaking things to do in Cat Ba Island.

From scenic boat rides in Lan Ha Bay to hiking Ngu Lam Peak and indulging in fresh seafood, the wide range of things to do in Cat Ba Island ensures that every traveler finds their perfect mix of adventure and relaxation. Whether you're planning a weekend escape or a longer coastal retreat, Cat Ba promises enriching local experiences, spectacular views, and memories that last a lifetime. Pack your bags — the island is calling.

To explore Cat Ba, book your Flight to Hai Phong with Vietnam Airlines today! For more details on flights, baggage policies, and travel itineraries, contact Vietnam Airlines via their hotline at 1900 1100, or through Fanpage or Zalo for expert advice.