Cat Ba Island

Natural landmark
★ 5.0 (100+ reviews) • 1K+ booked
Cat Ba Island, Vietnam, is the largest island in the Cat Ba Archipelago, just south of the world-famous Ha Long Bay. Known as a beautiful island with easy access from Hai Phong, Cat Ba Island is right between Lan Ha Bay and Halong Bay, making it perfect for both adventure and relaxation. You can visit Cat Ba Island for scenic hiking trails in Cat Ba National Park, climb to Ngu Lam Peak for amazing views, explore the historic Hospital Cave and Trung Trang Cave, or relax on Cat Co beaches. Many travelers join a Halong Bay cruise or cruise Lan Ha Bay for a day trip or overnight cruise to see sea caves, secluded beaches, and dramatic rock formations. The best part? Watching the sunset from Cannon Fort, with sweeping views over boats moored in the bays and nearby Monkey Island—a truly unforgettable highlight of visiting Cat Ba.
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Cát Bà Island, Trân Châu, Cát Hải, Hai Phong, Vietnam
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Things to do in Cat Ba Island

Cruise Around Lan Ha Bay

Exploring Lan Ha Bay by boat is one of the most relaxing and scenic experiences when visiting Cat Ba Island. This peaceful neighbor of Ha Long Bay is filled with limestone islets, hidden coves, and emerald waters. Most Cat Ba cruises include visits to floating fishing villages, swimming or snorkeling in quiet lagoons, and a fresh seafood lunch on board.

Kayak Through Scenic Sea Caves

Kayaking in Lan Ha Bay gives you a close-up look at the bay's beauty. Paddle through calm waters, slip under limestone arches, and explore sea caves like Dark & Bright Cave, where sunlight filters into the turquoise water. Along the way, you'll find hidden beaches and mangrove forests that bigger boats can't reach. Calm conditions make this perfect for beginners and families, with safety gear and guides usually included.

Trek in Cat Ba National Park

Visiting Cat Ba National Park is a must if you love nature. Spanning over 26,000 hectares, it's home to rare wildlife, including the endangered Cat Ba langur. You can take short walks, hike the Ngu Lam Peak trail for sweeping views of jungle and limestone peaks, or tackle longer, more challenging routes into the park's rugged interior. Along the way, watch for birds, butterflies, and colorful orchids.

Relax on Van Boi Island

Hidden in Lan Ha Bay, Van Boi Island is a peaceful getaway from the crowds. Its clear waters, soft sand, and shallow coral reefs make it great for swimming, snorkeling, or just relaxing. With little development, it's the perfect spot for a quiet picnic or reading by the beach.

Explore Cat Ba's Caves

Cat Ba Island is home to an impressive network of caves. Trung Trang Cave runs 300 meters through dense forest and is lined with dramatic stalactites. Hospital Cave, used as a secret field hospital during the Vietnam War, offers a unique look at the island's past. For a different experience, try kayaking into Dark & Bright Cave, where water and rock create a stunning natural scene.

Popular Attractions Near Cat Ba Island

Lan Ha Bay

Lan Ha Bay, just off the coast of Cat Ba Island, is a quieter alternative to Halong Bay with the same stunning limestone cliffs and emerald waters. You can kayak through hidden lagoons, swim at secluded beaches, or take a boat cruise to explore floating villages. It's only about a 10--15 minute boat ride from Cat Ba Island, making it an easy and scenic day trip.

Cat Ba National Park

Cat Ba National Park is a green, peaceful spot in the middle of Cat Ba Island. You can hike trails, see rare animals like the Cat Ba langur, and enjoy views from Ngu Lam Peak. It's only about a 20-minute drive from the island's main town, making it an easy place to explore.