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

The best part of this 2-day Cat Ba cruise comes after dark, when you kayak or fish from the boat and watch bioluminescent plankton sparkle in the water. By day, you move through calm lagoons, limestone islands, fishing villages, and quiet beaches instead of sticking to the busiest Ha Long Bay routes.

I like the mix of activities: kayaking, swimming, cycling, village visits, and time to simply sit on deck. I also like the warm, energetic guides, including Chilly, Moka, and B, who add useful stories about Cat Ba and Vietnamese life. The main thing to clarify before booking is the overnight setup, since at least one booking group expected a floating homestay but slept in a boat cabin instead.

Key points to know before booking

• Bioluminescent plankton after dark: Kayak at night or try squid fishing in calm water.
• Quiet southern route: Lan Ha Bay generally feels calmer and less crowded than the busiest Ha Long Bay areas.
• More than a cruise: The trip includes kayaking, swimming, cycling, a village visit, and beach time.
• Viet Hai by bicycle: Ride across rice fields and meet local residents in a small island village.
• Food is a strong point: Vietnamese meals include seafood and vegetarian choices.
• Check the sleeping arrangement: The overnight stay is on a boat, and the exact cabin setup may not match the phrase floating homestay.

Why this two-day route feels different

At $110 per person, this experience is aimed at people who want more than a quick bay cruise. You spend one night on the water, eat several meals, use kayaks, visit Viet Hai Village, and reach less-visited parts of Lan Ha Bay and southern Ha Long Bay.

I like the pace because it gives you several ways to experience the area. You are not stuck looking through a boat window for two days. One hour you may be paddling through a cave, the next you are swimming from the deck, and later you are cycling through rice fields.

The tour also avoids the loud party-cruise feel that some visitors want to escape. The group is described as small, and the boat offers plenty of time on deck. That matters in a bay where the quiet moments, not just the limestone islands, are the main attraction.

There is one cost to keep in mind. The advertised price does not include the entrance ticket, listed at $16, or drinks such as beer, wine, and soft drinks. Meals, bottled water, kayaking, and the night plankton activity are included, so the price is still reasonable for a two-day program, but you should budget for the extra fee.

7:30 AM from Cat Ba Town to the fishing village

Your morning begins at the Cat Ba Smile Tours office at 204, 1/4 Street, or at your hotel in Cat Ba Town. Pickup is scheduled for 7:30 AM, followed by a short transfer of about 1 kilometer to Beo Harbour.

The first stretch takes you through a floating fishing village, described as one of Vietnam’s oldest. This is a useful opening because it gives context to the bay. You are not only looking at limestone islands. You are seeing a working water community, where families have built their lives around fishing.

Your English-speaking guide explains local fishing life and the way families live on the water. Guides B, Chilly, and Moka have each been praised for being friendly and attentive, though your guide will depend on the departure. A good guide makes a real difference here, since the village can otherwise pass by as a collection of floating homes and boats.

As the boat moves on, you pass limestone formations with names such as Turtle Islet, Toad Islet, and Candle Islet. These names help you pick out shapes that might otherwise blend together. Keep your camera ready, but also give yourself time to sit outside and watch the changing angles of the cliffs.

Kayaking through Bright, Dark, and Bat Caves

The first major activity is about one and a half hours of kayaking near the border between Lan Ha Bay and Ha Long Bay. You paddle through Bright Cave, Dark Cave, and Bat Cave, reaching enclosed lagoons that are difficult to see from a larger boat.

This is one of the strongest parts of the program. A kayak lets you move at water level, enter narrower areas, and notice details that disappear from the main deck. The caves and lagoons are also a good reason to bring sunscreen, swimwear, and clothes that can handle splashes.

The exact feel of the paddle depends on weather and water conditions. On a calm day, the protected lagoons should be the peaceful center of the morning. If the water is rough, the route may feel more tiring, particularly if you have never kayaked before.

I would not book this trip expecting a completely passive cruise. Kayaking is a major part of both days, so you should be comfortable with getting into a small boat and paddling for extended periods.

A swim at Cam Lagoon

After kayaking, the boat heads to Cam Lagoon, described as a private swimming area in the middle of Ha Long Bay. You get about 30 minutes to swim, jump from the boat deck, or cool off in the water.

This stop adds welcome variety after the morning paddle. The area is promoted as less touristy, which means the appeal is the sense of space and quiet rather than a long list of facilities. There is no suggestion of a developed beach club, so bring what you need from the boat and keep your belongings secure.

The water is described as clear and blue, but conditions can change with weather. If you do not swim, you can stay on deck, take photographs, or simply enjoy the view. The stop is short, so I would treat it as a refreshing break rather than a full beach afternoon.

Lunch follows on the boat, with Vietnamese dishes, seafood, and vegetarian choices. Food is one of the most praised parts of the experience. If you do not eat seafood, the vegetarian option is important, and the available feedback suggests it is handled well.

From the boat to Viet Hai Village by bicycle

After lunch, the boat continues toward Viet Hai Harbour. You have time to relax, nap, sunbathe, and take photographs before reaching the village around 2:30 PM.

The transfer to land gives the day a useful change of rhythm. Instead of spending all afternoon on deck, you cycle across rice fields toward Viet Hai Village. You then walk around, meet local residents, and learn about village life and culture.

You may also have the chance to help with seasonal farming. The wording matters here: farming is offered when suitable, not guaranteed on every departure. A fish massage is another unusual village activity. It may appeal to you as a playful local experience, though it is certainly not essential to understanding the village.

Viet Hai is valuable because it connects the bay scenery with everyday life on Cat Ba. You see more than cliffs and water. You get a short look at how people live and work inland on the island.

The cycling section should suit most active visitors, but the tour does not provide a detailed account of the route, bike type, or difficulty. If cycling is a concern, ask the operator before booking. The same applies if you have mobility limits, since the program includes kayaking, swimming, cycling, and walks.

A night on the bay with squid fishing and glowing water

Dinner is served between 6:00 PM and 10:00 PM on the floating homestay. The meal is traditional Vietnamese food, and the general food standard is a major strength of the trip.

The night activity is the moment that gives this tour its personality. You can try squid fishing or kayak in search of bioluminescent plankton. When the water glows as you move your paddle or disturb the surface, the effect can feel almost unreal. It is a natural event, so the brightness will depend on darkness and conditions, but the activity is included rather than sold as an optional add-on.

Guide Moka has been praised for a gentle and discreet approach during this night outing, while other guides such as B and Chilly are known for bringing more energy and cultural explanation. That difference may shape the mood, but the activity itself is the main reason to choose this particular overnight program.

The sleeping arrangement deserves a clear warning. The experience is described as a floating homestay, but one booking group found they were sleeping on a boat in a lower-deck cabin rather than in a home on the floating village. If you expect a true homestay with a separate village room, confirm the setup before paying.

That cabin concern is not a small detail. A night on a boat can be fun and atmospheric, but comfort, privacy, and bathroom arrangements may be more basic than you expect. Bring modest expectations and ask whether the room has a private bathroom.

Breakfast and the calm morning on the water

The second day begins at 8:00 AM with breakfast. You can watch the sunrise, breathe in the bay air, and enjoy a slower start before the next set of activities.

The schedule is active again, so this is your best chance to rest. If you stayed up late looking for plankton, the morning may arrive quickly. I would avoid treating the night activity as a long party and save enough energy for the kayaking and beach stops ahead.

Around 9:00 AM, the boat heads toward Ho Ba Ham, an area associated with three hidden lagoons. The route continues the theme of reaching enclosed water spaces that larger sightseeing boats may not access easily.

Dau Be Island and the three hidden lagoons

At about 11:00 AM, the program includes Dau Be Island and a deserted beach. You can relax on shore, then kayak toward Ho Ba Ham and its three lagoons.

This should be a highlight for anyone who wants open space and a quieter beach stop. It is also where the tour’s promise of a less crowded route matters most. A deserted beach gives you time to sit, swim, or simply enjoy the setting without a long line of organized activities.

Still, weather and local conditions can affect the day. One booking group found that the second day offered kayaking but did not include the planned Dau Be Island and beach time. The practical lesson is simple: ask the guide about the day’s exact route if conditions change, and understand that bay tours may adjust plans.

Lunch is prepared in a local style. The tour includes all meals, but drinks beyond bottled water cost extra. If you want coffee, soft drinks, beer, or wine, plan to pay separately.

Afternoon kayaking and return to Cat Ba

After lunch, the boat returns toward Lan Ha Bay. The afternoon is flexible in feel, with more kayaking around limestone islands, swimming at private beaches, sunbathing on the boat, and time to enjoy the water.

This final section works well because you are not rushing straight back after the morning visit. You get another chance to paddle and swim, or you can remain on deck if your energy is fading. After two days of activity, that choice matters.

The boat returns to Cat Ba Town around 3:00 PM, with the experience ending at the office around 3:30 PM. If you need onward transport, bus tickets to Hanoi, Ninh Binh, Ha Giang, or Sapa can be booked for a 4:00 PM departure. I would still leave a little breathing room if you have a separate connection, since bay schedules can shift.

Food, guides, and the small-group atmosphere

Meals are a real advantage here. You receive breakfast, lunch, and dinner during the trip, with seafood and vegetarian choices. The food is served on the boat and at the overnight stop, giving you a steady supply of Vietnamese cooking without having to arrange meals yourself.

The guides add another layer. B is praised for explaining the bays, Vietnamese history, and everyday life. Chilly is described as enthusiastic and eager to share local culture. Moka is noted for kindness and a quieter manner, especially during the night plankton outing.

You may not know which guide you will have until departure, but English guiding is included. The tour’s success depends partly on how well the guide manages timing, weather changes, and group needs. The overall rating of 4.6 from 39 ratings suggests a strong experience, but the mixed account of the second-day route shows why flexibility is useful.

The small-group format is another plus. It should feel more personal than a large party boat, and it suits you if you prefer calm conversation, time on deck, and outdoor activities over loud music.

Is $110 a good value?

I consider $110 a fair price for the amount included. You receive hotel pickup in Cat Ba Town, boat transport, all meals, bottled water, kayaking, the guide, the night plankton or squid-fishing activity, and the overnight stay.

The price becomes less attractive if you only want a short scenic cruise. In that case, two days may include more activity than you need. It is better value for you if you want several experiences bundled together and would otherwise pay separately for kayaking, village visits, meals, and an overnight boat stay.

Add the $16 entrance ticket, listed as 400,000 Vietnamese dong, plus drinks. You should also bring sunscreen and swimwear. Your phone number and email are required when booking, and cancellation is allowed up to 24 hours before departure for a full refund.

The tour is not suitable for people over 95 years old. More broadly, the physical program makes it a poor fit if you cannot comfortably kayak, swim, cycle, or climb on and off a boat.

Who should book this Cat Ba experience?

I would choose this trip if you want a quieter alternative to a crowded Ha Long Bay cruise and like active days. It works especially well for couples, friends, and small groups who want the unusual night plankton activity, good Vietnamese meals, and a mix of water and village experiences.

You should also book it if local contact matters to you. The floating fishing village and Viet Hai Village give the trip more human interest than a standard boat ride past limestone formations.

I would hesitate if your top priority is a polished cabin, a guaranteed private bathroom, or a fixed beach schedule. The sleeping arrangement needs clarification, and one departure did not complete all the planned second-day stops.

FAQ

Where does the tour start?

It starts at the Cat Ba Smile Tours office at 204, 1/4 Street in Cat Ba Town, with hotel pickup also available in Cat Ba Town.

What time does pickup begin?

Pickup is scheduled for 7:30 AM on the first day.

When does the tour finish?

The boat returns to Cat Ba Town around 3:00 PM, and the activity ends at the office at about 3:30 PM on the second day.

Is kayaking included?

Yes. Kayaking is included on both days, including routes through caves, hidden lagoons, and around limestone islands.

Can I see bioluminescent plankton?

The tour includes kayaking to look for bioluminescent plankton at night. You can also choose squid fishing.

Are meals included?

Yes. All meals are included, with Vietnamese dishes, seafood, and vegetarian options.

Are drinks included?

Bottled water is included. Wine, beer, soft drinks, and other drinks are not included.

Is the entrance ticket included?

No. An entrance ticket of $16, listed as 400,000 Vietnamese dong, is extra.

What should I bring?

Bring swimwear and sunscreen. You also need to provide your phone number and email when booking.

Should you book it?

Book this tour if you want a calm, active two days with glowing plankton, kayaking, and village life rather than a standard sightseeing cruise. The food, guides, small-group feel, and variety give it strong value at $110.

Before booking, confirm the exact sleeping arrangement and ask whether the Dau Be Island and beach visit is operating during your dates. If you can accept a basic boat cabin and some weather-related changes, this is a memorable way to see the quieter side of Lan Ha Bay and southern Ha Long Bay.