Spend a long, active day from Hanoi aboard the new Serenity Grandeur, combining a luxury cruise with guided kayaking, swimming in secluded coves, and a village cycling loop at Viet Hai. Expect limestone scenery, local fishing hamlets, and a full schedule of on-water activities.
More ways to explore the area's outdoor wonders
Morning light separates the limestone towers of Lan Ha Bay as the Serenity Grandeur eases away from Beo Harbour, engines low and decks already warming with sun. Glassy water threads between karst islets; a cluster of floating houses at Cai Beo drifts by like a living map of local life.
Difficulty
moderate
Duration
10–14 hours
Fitness Level
Light-to-moderate fitness; be able to paddle short distances and cycle 3–8 km with brief climbs
Wildlife
History
Cai Beo and other floating communities have long-standing fishing traditions; the bay’s karst scenery formed over millions of years under changing sea levels.
Conservation
Cat Ba National Park and local NGOs work to protect lowland forest and the endangered Cat Ba langur; visitors should avoid feeding wildlife, stick to trails, and use reef-safe sunscreen.
Reserve your spot on the Hanoi: Explore Lan Ha Bay on the Newest Serenity Grandeur Cruise today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring a dry bag
Water activities and sudden spray are constant—secure electronics and a change of clothes in a 5–10L dry bag.
Wear a life jacket for all swims and kayaks
Life jackets are recommended—use one even if you’re a confident swimmer due to changing currents.
Choose grippy water footwear
Trails in Viet Hai and slippery boat decks need closed-toe water shoes or sandals with straps.
Carry local currency
Small vendors in Viet Hai and tips for guides often require cash (VND); ATMs are limited on the island.
Personal life jacket (or use provided)
Provides additional safety for kayaking and open-water swims.
Quick-dry clothing & swimwear
Dries fast between water activities and protects from sun and spray.
summer
Dry bag (5–10L)
Keeps phone, camera, and spare clothes dry during boat transfers and kayaking.
Closed-toe water shoes
Grip slippery decks and rough village paths while protecting feet in water and on trails.