Cat Ba Island
Published on May 28, 2026
Cat Ba Island Travel Guide
Meta description: Discover Cat Ba Island — the gateway to Lan Ha Bay, golden langur habitat, jungle trekking, and kayaking in Vietnam's most accessible island national park. Guide 2025.
Why Visit Cat Ba
Cat Ba Island is the largest of the 367 islands in the Cat Ba Archipelago, sitting at the southern end of Ha Long Bay where the karst formations continue into shallower, less-visited waters known as Lan Ha Bay. It is, in many ways, the more rewarding alternative to an overnight Ha Long cruise — the island itself has mountains to hike, beaches to swim, caves to explore, and one of the world's most critically endangered primates living in its forest.
The Cat Ba langur — a golden-headed primate with a black body found nowhere else on earth — survives in a population of fewer than 70 individuals on the island's limestone cliffs. The Cat Ba Langur Conservation Project, supported by visitor fees, operates a monitoring and protection program accessible to tourists.

Cat Ba National Park hiking trails
Quick Facts
- Location: Hai Phong Province, 45 km from Hai Phong city, northeastern Vietnam
- Best time to visit: May to October (warm, swimmable)
- Recommended stay: 2–4 days
- Daily budget: Budget $25–45 | Mid-range $60–100
Top Things to Do

1. Kayaking Lan Ha Bay
Lan Ha Bay — Cat Ba's southern side, with 139 islets and deserted beaches — is explored by sea kayak through limestone arches, flooded cave lagoons, and mangrove channels. The absence of large cruise boats makes it dramatically quieter than Ha Long proper. Duration: Full day. Tip: Asia Outdoors and Blue Swimmer organize the best guided kayaking day trips (from $40/person).
2. Cat Ba National Park Trek
The national park protects primary tropical forest across most of the island's interior. The Hospital Cave trail (a wartime underground medical facility cut into the limestone) and the Ngu Lam Peak hike (45 minutes, panoramic views) are the most accessible routes. Duration: Half to full day.
3. Cat Ba Langur Conservation Tour
A guided boat tour to the langur's limestone cliff habitat, led by trained guides from the conservation project. Sightings are not guaranteed but the tour's educational value is high regardless. Duration: Half day. Tip: Book through the Cat Ba Langur Conservation Project directly; proceeds fund protection work.

Beautiful beach on Cat Ba Island
4. Cat Co Beaches
Three small cove beaches (Cat Co 1, 2, 3) accessible on foot from Cat Ba town offer swimming in the protected bay. Cat Co 3 is the quietest. Duration: Half to full day.
5. Overnight Kayaking Trip in Lan Ha Bay
A 2-day kayaking expedition camping on secluded beaches in Lan Ha Bay — organized by Asia Outdoors and a handful of other operators. The most immersive experience the island offers.
Local Food
Cha Muc (Squid Cake): Fresh squid ground and deep-fried — the bay's signature dish. Available at restaurants throughout Cat Ba town.
Grilled Seafood: The town's seafood restaurants on Nui Ngoc Street serve freshly caught reef fish, crab, and mantis shrimp at competitive prices.
Best Time to Visit

Iconic karst scenery of Ha Long Bay
May–October: Warm, swimmable, and manageable weather for kayaking and hiking.
November–April: Cooler and sometimes misty; not ideal for swimming but the bay is quieter and atmospheric.
Where to Stay
Budget: Numerous guesthouses in Cat Ba town from $12–25/night. Sunflower Hotel and Whisper Nature Boutique are reliable options.

Haiphong, gateway city to Cat Ba Island
Mid-range ($50–90): Cat Ba Island Resort & Spa and Catba Cinamon Resort offer the best mid-range facilities.
How to Get There
From Hanoi: Bus to Hai Phong (2.5 hours) then ferry to Cat Ba (45 minutes). Or direct bus-boat combination packages from Hanoi (4–5 hours total).

Limestone formations around Cat Ba Island
From Ha Long City: Speedboat to Cat Ba in 45 minutes.
Final Thoughts
Cat Ba delivers the Ha Long Bay landscape with the added dimension of a real island — mountains, villages, beaches, and wildlife — rather than just a floating hotel experience.
Keywords: Cat Ba Island travel guide, Lan Ha Bay kayaking, Cat Ba langur, Cat Ba national park, things to do Cat Ba, Ha Long Bay alternative