Discover the best Cat Ba tours and things to do on Vietnam’s largest island, gateway to the stunning Lan Ha and Ha Long bays: cruise among thousands of emerald limestone karsts, kayak into hidden lagoons, swim in secret coves, trek the jungle of Cat Ba National Park, and watch the sunset over one of the world’s most beautiful bays. Compare top-rated experiences and plan the perfect trip.



Whatever brings you to Cat Ba — world-class museums, the river, or a long lunch — start with the experiences travellers love most.
The landmarks that define the city — and the tickets and tours that get you in, often skipping the line.

Quiet karsts.

UNESCO bay.

Hidden lagoons.

Jungle trek.

Beach stop.

Island village.
Hidden coves.

Bay life.
Bay awayQuiet karsts.
Bay awayUNESCO bay.
Boat awayBeach stop.
Island awayJungle trek.
Boat awayIsland village.
Bay awayHidden lagoons.
Short, straight answers to the questions every Cat Ba visitor asks before booking.
Mild and pleasant — a lovely time to cruise.
Hot and busy, best for swimming; some storms.
Clear, dry and ideal — the best time to visit.
Cool and misty, quieter on the bays.
Autumn offers the clearest bay conditions.
September to November is ideal.
A Lan Ha Bay day cruise.
Add an overnight cruise or trek.
Add Ha Long Bay and the beaches.
Lan Ha and Ha Long cruises.
The national park trek.
A bay cruise and Monkey Island.
Cruises and boats explore the bays and islands.
Ferries and buses link Cat Ba with Hanoi and Haiphong.
Scooters are popular for exploring the island.
Cat Ba town and beaches are walkable.
Stay in Cat Ba town or a bay-view resort.
Vietnam uses the dong; carry cash for the island.
Choose Lan Ha Bay for stunning, quieter scenery.
Kayak into the hidden lagoons and caves.
Try a night kayak to see glowing plankton.
Hike Cat Ba National Park to Viet Hai village.
Add Monkey Island for beaches and a viewpoint.
Come September to November for the clearest bays.
Overnight bay cruises sell out — book ahead.
Lan Ha day cruises fill up — reserve early.
Bioluminescent kayak trips book out — reserve ahead.
Guided national-park treks have limited spots — book ahead.
Five-star cruises book out — reserve early.
September to November is busiest — book everything ahead.
Around €18–40 for a Lan Ha Bay day cruise.
About €90–250 for an overnight bay cruise.
Roughly €15–35 for a kayaking trip.
Around €25–50 for a national-park trek.
About €20–40 for a Monkey Island boat tour.
Join group day cruises that bundle kayaking and beaches.
What's best, how busy it gets, and one booking tip for each time of year.