Viet Hai is a small village tucked into a valley inside Cat Ba National Park, surrounded by limestone hills, rice fields and forest, and reachable only by boat or on foot. That isolation is exactly what makes it appealing: no highways, few cars, and an unhurried pace of life that feels far from the tourist strip. A day boat tour from Cat Ba Town combines the village with a cruise through Lan Ha Bay, so you get both quiet countryside and the island-studded seascape. The typical day starts at the harbor in Cat Ba Town. The boat heads into Lan Ha Bay, past floating villages and islands, stops for a swim or kayak, and then lands near the village. From there, guests may walk, cycle or ride a small electric vehicle into the settlement, visit a family home, eat lunch and sometimes walk to a cave or a viewpoint before returning to the boat for the cruise back.
Viet Hai's charm is in its details. Houses are low and stone-walled, gardens are neat, and the village is surrounded by karst on three sides. Residents farm, fish and increasingly host visitors, and there are small cafes and homestays. The visit is usually short, a few hours at most, so it is a glimpse rather than a deep immersion. If you like the place, ask about overnight homestay options on other days.
Lan Ha Bay offers the same scenery as the more famous Ha Long Bay but with far fewer boats. The route on this tour typically passes fishing farms, pearl or oyster platforms, and sandy coves. Kayaking and swimming stops are common, and crews usually provide life jackets and basic equipment. If you want to swim, bring swimwear and a towel. The water is generally calm, but check for wind advisories.
Food is a highlight of many boat tours, with seafood and rice dishes on board or in the village. Vegetarian options may be available if you request them early. Water and drinks may cost extra.
Compared with a trek in the park, this tour is easier physically. The walking is gentle and optional cycling covers flat roads. It suits families, older travelers and anyone who wants nature without a hard climb. Compared with an overnight cruise, it is shorter and cheaper, with the freedom to sleep on land.
Timing matters. Spring and autumn are the best seasons, while summer can be hot and stormy, and winter is cool and gray. Boats may skip the village if the weather is rough, so ask about alternatives. Bring sun protection and a light layer. Pair this with a Cat Ba sunset kayak and a trek on separate days for a rounded island stay.
What to expect
The experience
A guided day boat tour through Lan Ha Bay with swimming or kayaking, lunch and a visit to Viet Hai village in Cat Ba National Park.
Best time
Spring and autumn for good weather and clear skies.
How long
A full day.
Tips
Bring swimwear, sun protection and small cash for drinks. Ask what the price includes. Request vegetarian meals ahead.
Quick picks
- Best for
- Travelers who want village life and bay scenery in one day.
- Families
- Easy and fun for families; life jackets are supplied.
- Couples
- Relaxed and scenic, with plenty of photo stops.
- Pair with
- Pair with Cat Ba trekking or a sunset kayak.
- Time needed
- A full day.
Good questions
Why is Viet Hai special?+
It lies within the national park and is reachable only by boat or on foot, so it feels untouched.
Is the tour physically demanding?+
No, walking and cycling are gentle.
Do I need to swim?+
Not required. Swim stops are optional.
Is lunch included?+
Typically yes, but check the details.
Can I stay overnight in the village?+
Homestays exist, but arrange them separately.







