Cat Ba Island

Đảo Cát Bà

The largest island in Ha Long Bay with dramatic cliffs, pristine beaches, and adventure activities like rock climbing and trekking through national parks. It offers a more relaxed alternative to cruise tourism with stunning views.

Things to do

• Rock Climbing at Cat Ba Island — Scale the dramatic limestone cliffs with guided climbing routes ranging from beginner to advanced levels, offering stunning views of Ha Long Bay.
• Cat Ba National Park Trekking — Hike through dense jungle trails in the national park to spot rare wildlife including the endangered Cat Ba langur and reach scenic viewpoints overlooking the bay.
• Cannon Fort (Pháo Đài) — Explore this French colonial-era military fortress with bunkers and tunnels offering panoramic views of Cat Ba Island and surrounding waters.
• Kayaking in Ha Long Bay — Paddle through limestone karsts and hidden lagoons, visiting floating villages and exploring sea caves inaccessible by larger boats.
• Cat Ba Beach Swimming — Relax on the island's main sandy beach with calm waters ideal for swimming and sunbathing, lined with local restaurants and bars.
• Hospital Cave (Hang Spital) — Visit this historic cave used as a secret hospital during the French Indochina War, accessible by a scenic trek through the national park.
• Monkey Island Day Trip — Take a boat excursion to this nearby islet where you can observe troops of macaques in their natural habitat and enjoy pristine beaches.

Food to try

• Fresh Seafood Grilled at Beachside Restaurants — Order locally-caught fish, squid, shrimp, and crab grilled to order with salt and lime, a signature dining experience on Cat Ba's waterfront.
• Bánh Mì Crab — A local variation of Vietnamese banh mi sandwich filled with fresh crab meat, pâté, and pickled vegetables, commonly sold by street vendors.
• Mussels and Sea Urchin at Floating Fish Farms — Visit working fish farms where you can eat ultra-fresh mussels and sea urchin prepared simply with garlic and herbs, harvested moments before cooking.
• Cơm Niêu (Clay Pot Rice) — A local comfort food where fragrant rice is cooked in a clay pot with pork, chicken, or seafood, creating a crispy, flavorful bottom layer.
• Fresh Fruit Smoothies — Enjoy blended drinks made with tropical fruits like passion fruit, mango, and papaya, sold at beachside cafes and local juice stands.

Local customs & good to know

• Respect Local Fishing Communities — Cat Ba's economy depends on fishing; be respectful when photographing fishermen or visiting floating villages, and consider purchasing seafood directly from local vendors.
• Learn Basic Vietnamese Phrases — While tourism is growing, English is limited outside main tourist areas; learning simple greetings and food words in Vietnamese is appreciated by locals.
• Dress Modestly at Sacred Sites — When visiting temples or cultural heritage sites like Cannon Fort, wear respectful clothing covering shoulders and knees out of cultural courtesy.
• Support Sustainable Tourism Practices — Choose eco-friendly tour operators and avoid single-use plastics to help preserve the island's delicate limestone ecosystem and marine environment.