CAT BA :2D1N Lan Ha bay-Ha Long bay with Plankton Excursion

The real treat here comes after dark: you kayak across a quiet bay and stir the water to reveal bioluminescent plankton, tiny flashes of blue that make an ordinary paddle feel almost magical. By day, you move through Lan Ha Bay’s limestone islands, calm lagoons, and small villages without the loud party-cruise feel found on busier routes.

I especially like the quiet southern route and the mix of activities. You are not stuck on the boat all day: you kayak, swim, cycle through rice fields, visit Viet Hai Village, and try squid fishing. The food also earns strong praise, including good choices for vegetarians.

The main thing to clarify before booking is the overnight setup. The program describes a floating homestay, but the sleeping arrangement may be a room on the boat, including a lower-deck cabin. The second day can also change with weather and sea conditions, so some advertised stops may be replaced by kayaking.

Key points at a glance

• Glow-in-the-dark kayaking: Paddle at night to look for bioluminescent plankton in the water.
• A quieter bay route: Spend most of your time around Lan Ha Bay and the southern side of Ha Long Bay, away from the busiest cruise traffic.
• More than a boat ride: Kayaking, swimming, cycling, village walking, squid fishing, and beach time fill the two days.
• Viet Hai Village by bicycle: Ride across rice fields, meet local residents, and possibly try seasonal farm work.
• Friendly English-speaking guides: Guides named B, Chilly, and Moka have been noted for their care, enthusiasm, humor, and cultural explanations.
• Good value at $110: The price covers transport in Cat Ba Town, meals, water, kayaking, plankton viewing, and guiding, but you must add a $16 entrance ticket and pay separately for drinks.

Why the plankton makes this cruise different

Many bay cruises follow the same basic pattern: boat, buffet, photos, cabin, repeat. This trip has a more personal rhythm. Its best moment may be the night kayak, when your paddle disturbs the water and small points of light can appear around you.

The plankton is naturally occurring, so no one can promise a dramatic glowing show every night. Still, the activity gives you a reason to get off the boat after dinner and experience the bay in darkness rather than simply turning in early. You might also go squid fishing, depending on the evening program and conditions.

You should bring swimwear and sunscreen, but also pack a light layer for the night. The information provided does not specify waterproof phone cases or dry bags, so protect your electronics before getting into a kayak.

The mood is relaxed rather than rowdy. If you want loud music, a large party boat, and a packed schedule of photo stops, this is probably the wrong choice. If you prefer quiet water, a small group, and time on deck, the style fits well.

Day one: from Cat Ba Town to the hidden lagoons

Pickup begins at 7:30 a.m. from the Cat Ba Smile Tours office at 204, 1/4 Street, or from your hotel in Cat Ba Town. The transfer to Beo Harbour takes about 1 kilometer, so the morning is simple and local rather than a long bus transfer.

The boat first passes the Floating Fishing Village, described as one of Vietnam’s oldest fishing villages. This is not just a quick photo stop. Your guide explains how fishing families live and work on the water, giving the bay a human story beyond its famous rock formations.

As you cruise onward, you pass limestone islands with names such as Turtle Islet, Toad Islet, and Candle Islet. The names help you notice the shapes, but the real pleasure is the changing view from the deck. Have your camera ready, then put it away for a while. The scenery is best appreciated without trying to record every bend.

The morning’s main activity is kayaking near the border of Lan Ha Bay and Ha Long Bay. You spend about an hour and a half paddling around Bright Cave, Dark Cave, and Bat Cave, reaching quiet lagoons that larger boats cannot enter easily.

The exact route depends on tide, weather, and local access. You should expect active paddling, but the supplied program does not give a difficulty rating. If you are not a confident kayaker, ask the guide for help before setting out. The calm lagoon setting makes this more approachable than open-water kayaking, but it is still physical activity.

After kayaking, the boat moves to Cam Lagoon, a private swimming area in the middle of Ha Long Bay. You get about 30 minutes to swim in clear water or jump from the boat’s deck. This is a good place to cool off, though you should bring a towel and keep your belongings secure while you are in the water.

Lunch on board and the ride to Viet Hai Harbour

Lunch is served on the boat from noon to 1 p.m. Meals include Vietnamese dishes, seafood, and vegetarian choices. The food is one of the strongest parts of the experience, and vegetarian diners have a particularly good reason to feel comfortable booking.

Do not expect a restaurant-style menu or unlimited personal choice. This is a shared boat meal, but the program does make room for both seafood and vegetarian eating. Bottled water is included. Beer, wine, soft drinks, and other drinks cost extra.

After lunch, you have about 90 minutes to nap, sit on deck, take pictures, or simply watch the islands pass. That slower stretch matters. The itinerary has several active sections, so this is your chance to rest before the afternoon cycle ride.

The boat reaches Viet Hai Harbour between 2:30 and 4:30 p.m. From there, you cycle across rice fields toward Viet Hai Village. The ride offers a clear change of pace: after hours among limestone islands, you are suddenly looking at farmland and village life.

You can walk around Viet Hai, meet local residents, and learn about daily life and culture. Seasonal farm work may be available, and the program also includes a fish massage, a quirky local experience that some people find memorable and others simply find amusing.

This part is valuable because it keeps the trip from becoming only a scenic cruise. You get a look at Cat Ba’s inland life and a chance to interact with people away from the main tourist streets. The program does not state how long you cycle or whether electric bicycles are available, so ask the operator if that matters to you.

Night on the bay: food, fishing, and glowing water

Dinner is served from 6 to 10 p.m. on the floating homestay or overnight boat, with traditional Vietnamese food. The long time window suggests a relaxed evening rather than a rushed dining room schedule.

After dinner, you can try squid fishing or take a kayak out to search for bioluminescent plankton. The plankton activity is the special feature, but it works best if you treat it as a natural possibility rather than a guaranteed light show.

The sleeping arrangement deserves a direct question before you pay. The program presents the overnight stay as a floating homestay, yet the actual room may be on a boat, with at least one reported setup in a lower-deck cabin. If you expect a village homestay with a private bathroom, confirm exactly what you are getting.

This is also where expectations matter most. The boat is designed for access to the bay and evening activities, not for luxury hotel comforts. The trip costs $110 per person, so it offers solid value if you use the included meals, kayaking, transport, and activities. It is less attractive if you mainly want a comfortable room and a polished cruise service.

Day two: Ho Ba Ham and Dau Be Island

Breakfast is served at 8 a.m., followed by time to enjoy the sunrise and fresh air. The morning begins gently, but the next stop brings another round of kayaking.

At about 9 a.m., the boat heads toward Ho Ba Ham, also known as the Three Hidden Lagoons. Around 11 a.m., the plan is to visit Dau Be Island, relax on a deserted beach, and kayak into the lagoons.

This could be one of the finest sections of the trip. Ho Ba Ham offers a quieter setting than the major bay viewpoints, and a deserted beach gives you space to swim, sit in the sun, or simply enjoy the silence. Still, sea conditions can change the plan. On some departures, the second day may consist mainly of kayaking, without the island visit or beach time.

That is not necessarily a sign of a poor trip. Weather and access matter in the bay. It does mean you should book for the overall style, not for one guaranteed beach stop.

Lunch follows at noon, prepared in a local cooking style. Afterward, the boat returns toward Lan Ha Bay for more kayaking around limestone islands, swimming at private beaches, sunbathing, and time on deck.

The afternoon ends back in Cat Ba Town at about 3:30 p.m. at the Cat Ba Smile Tours office. Bus tickets to Hanoi, Ninh Binh, Ha Giang, or Sapa may be available for departures at 4 p.m., but that connection is tight enough that you should allow for delays and confirm the timing before booking onward transport.

Guides, group feel, and the food

The guide can make or break a multi-day boat trip. Here, the English-speaking guides are a major strength. B is praised for explaining the bays, Vietnamese history, Cat Ba Island, and local life while also keeping an eye on guests’ needs.

Chilly brings a more playful style, with plenty of enthusiasm for the activities and Vietnamese culture. Moka is described as kind, sensitive, and discreet, qualities that matter when you are sharing a small boat and a sleeping space with other people.

You may not receive one of these exact guides, but the names give you a sense of the staff style to expect: friendly, engaged, and willing to explain more than just the next stop. The overall rating is 4.6 from 39 reviews, which supports the view that service and atmosphere are reliable strengths.

The group is described as small and sociable, though no exact group size is provided. That usually suits people who want conversation and shared activities rather than total privacy. It may feel less appealing if you want a private boat or a quiet cabin with no communal schedule.

Food receives especially strong praise. Meals include seafood and vegetarian options, and the quality is considered excellent by several people who took the trip. You should still tell the operator about dietary needs before departure, since the supplied details only confirm vegetarian choices.

Price, extra costs, and practical value

At $110 per person, the trip is reasonably priced for a two-day, one-night bay experience. Included are hotel pickup and drop-off in Cat Ba Town, all meals, bottled water, kayaking, squid fishing, bioluminescent plankton viewing, and an English-speaking guide.

Add the $16 entrance ticket, or 400,000 Vietnamese dong, which brings the known cost to about $126 per person before drinks. Beer, wine, soft drinks, and other beverages are not included.

The value is strongest if you want a packed but varied program. A conventional cruise may give you a more comfortable cabin, but this trip adds cycling, village visits, two days of kayaking, swimming, and a night activity.

The trade-off is comfort and certainty. You may get a basic boat cabin rather than the floating village stay you imagined, and the second day may change. Book this for the experiences and the quiet setting, not for luxury or a perfectly fixed checklist.

Pickup is available from Cat Ba Town hotels, but the listed service does not promise pickup outside town. The activity starts at the Cat Ba Smile Tours office and ends there. Bring your phone number and email when booking, along with sunscreen and swimwear.

You can reserve now and pay later, and cancellation is allowed up to 24 hours before departure for a full refund. The trip is not suitable for people over 95 years old.

Who should book this two-day bay trip?

I would recommend it to you if you want an active, social experience with a calm pace between activities. It suits couples, friends, solo visitors who like meeting a group, and anyone who would rather kayak through a lagoon than spend two full days sitting in a cruise lounge.

It is also a good fit for food-focused visitors, especially vegetarians who want meals included without having to arrange every dish themselves. The cultural elements at the Floating Fishing Village and Viet Hai Village add real value.

You should think twice if you need a guaranteed beach visit, a private bathroom, a spacious cabin, or a luxury cruise standard. You should also be comfortable with swimming, kayaking, cycling, and changes caused by weather.

Should you book it?

Book this Cat Ba 2-day, 1-night excursion if your priority is quiet scenery, active outings, friendly guides, and unusual night-time experiences. The bioluminescent plankton, Viet Hai cycling, and calm lagoons give it more character than a standard bay cruise.

Before booking, ask where you will sleep, whether the cabin has a private bathroom, the expected group size, and how the operator handles bad weather. If you accept a basic overnight boat and a flexible second-day plan, the $110 price, plus the entrance fee, offers good value. If comfort and a fixed itinerary matter most, choose a more conventional cruise.

FAQ

Where does the tour start?

It starts at the Cat Ba Smile Tours office at 204, 1/4 Street in Cat Ba Town. Pickup is also available from hotels in Cat Ba Town.

Where does the tour finish?

The activity ends back at the Cat Ba Smile Tours office in Cat Ba Town at about 3:30 p.m. on the second day.

What is included in the $110 price?

The price includes hotel pickup and drop-off in Cat Ba Town, all meals, bottled water, kayaking, squid fishing, bioluminescent plankton viewing, and an English-speaking guide.

Is the entrance fee included?

No. The entrance ticket costs $16, or 400,000 Vietnamese dong, and must be paid separately.

Are drinks included?

No. Wine, beer, soft drinks, and other drinks are not included. Bottled water is included.

Will I visit both Lan Ha Bay and Ha Long Bay?

The itinerary includes Lan Ha Bay and the southern part of Ha Long Bay. Weather can affect the route, and one departure was unable to visit Ha Long Bay because of conditions.

What activities are included?

You can kayak through caves and lagoons, swim, cycle to Viet Hai Village, walk around the village, try seasonal farm work, enjoy a fish massage, go squid fishing, and look for bioluminescent plankton.

What should I bring?

Bring swimwear, sunscreen, and the phone number and email used for your booking. Protect your phone and other electronics around the water.

Can I cancel or pay later?

You can reserve and pay later, so no payment is required today. Cancellation is allowed up to 24 hours before departure for a full refund.