Cat Ba Island Guide 2026: Exploring the Largest Island of the Tonkin Gulf

Cat Ba Island — the largest in the Halong Bay and Lan Ha Bay island system — is an astonishing destination combining pristine nature, ancient history, and diverse activities. This guide compiles everything you need for a complete Cat Ba experience.

1. Cat Ba – The Island of Two Bays

Cat Ba belongs to Hai Phong, covering about 360 km² — Vietnam's third-largest island. It strategically sits between Halong Bay (north) and Lan Ha Bay (south), making it the natural gateway to both bays.

The island has:

• Cat Ba National Park: 17,000 hectares, biodiversity reserve
• About 26,000 residents: Mostly Kinh and Chinese, living off tourism and fishing
• Airport and port: Receiving domestic and international visitors
• Biosphere Reserve: UNESCO-recognized since 2004

2. How to Get to Cat Ba

2.1. From Hanoi

Option 1: Limousine + high-speed boat — 4 hours total. Most common.

Option 2: Limousine + cable car from Hai Phong — fun experience, 3.5 hours.

Option 3: Direct car to Got port, then ferry — 3 hours.

2.2. From Halong

High-speed boat from Tuan Chau port — 30 minutes.

2.3. From Hai Phong

Three-cable cable car over the sea — 25 minutes. This is the world's tallest pylon cable car, a destination in itself.

3. Top 10 Destinations in Cat Ba

3.1. Cat Co 1, 2, 3 Beaches

Cat Ba's best public beaches. White sand, clear water. Beach 1 near town is busy; 2 and 3 more pristine.

3.2. Cat Ba National Park

Trek through tropical rainforest, may see Cat Ba langur — a primate species found only on this island. Two main trails: Viet Hai (5km) and Ngu Lam Peak (8km).

3.3. Ngu Lam Peak

225m peak with 360-degree views of Lan Ha Bay. 1.5-2 hour climb on rocky forest trail. Worth every drop of sweat.

3.4. Cannon Fort

Military relic from French era, taken over by Vietnam. High vantage with full island and bay views. Small museum.

3.5. Viet Hai Village

Traditional village hidden in the forest. Reach by 5km hike or bike. Authentic rural cultural experience.

3.6. Trung Trang Cave

Large cave with beautiful stalactites, linked to resistance history.

3.7. Lan Ha Bay (From Cat Ba)

Rent a small boat from Beo Port to explore Lan Ha — a DIY option instead of taking a cruise.

3.8. Monkey Island

30 minutes by boat from Cat Ba. Wild monkeys, beautiful sand, ideal day trip.

3.9. Ben Beo Lake

Freshwater lake amid forest, tranquil, ideal for picnics.

3.10. Cat Ba Town Center

Vibrant seaside town with many restaurants, bars, seafood markets. Lively at night.

4. Highlight Activities in Cat Ba

4.1. Rock Climbing & Trekking

Cat Ba is world-renowned for rock climbing with professional tours. Limestone cliffs create perfect conditions.

4.2. Island Cycling

Rent bikes to explore. The Beo Port – Viet Hai – Cat Ba town loop is beautiful and challenging.

4.3. Kayak & Paddle Board

Many beach rentals available. Can self-explore around small islets.

4.4. Day Cruise to Lan Ha

Short day boat trips from Cat Ba to Lan Ha. Suits guests not wanting to sleep onboard.

5. Cat Ba Cuisine

Fresh seafood is the #1 specialty. Don't miss:

• Cat Ba Sam: Unique sea shell with distinctive flavor
• Sea shrimp noodle: Pho with fresh sea prawns
• Garlic stir-fried squid: Simple but exceptional
• Steamed grouper: Large grouper, steamed with ginger and onion
• Cat Ba sticky rice wine: Traditional specialty

6. Accommodation in Cat Ba

• Premium resorts: Catba Sunrise Resort, Flamingo Cat Ba — sea view, full amenities
• Mid-range hotels: In Cat Ba town, USD 30-80/night
• Homestays: In Viet Hai village, cultural experience
• Cruises: Explore Lan Ha with Amour Cruises — the most luxurious way to experience Cat Ba

7. When to Visit Cat Ba?

• April-May and September-October: Most beautiful, perfect weather
• June-August: Crowded domestic tourists, warm sea, typhoon risk
• November-March: Fewer crowds, beautiful fog, mild cold

8. Cat Ba in the Amour Cruises Itinerary

Amour Cruises combines Cat Ba Island visits with Lan Ha Bay cruising, offering an ideal 2-in-1 experience. In 3D2N tours, one day is dedicated to island exploration — jungle trekking, traditional village visits — and the remaining two nights immersed on the cruise. The perfect way to explore the great island's nature while enjoying absolute luxury at sea.

Frequently Asked Questions