Guide · Evenings on the water

Ha Long Bay sunset cruise: the evening trips worth booking

The last light on the karsts is the moment many travelers come for. A short Ha Long Bay sunset cruise from Cat Ba Island, a kayak among the lagoons, or a full night on board: here is what each evening option really includes.

Check availabilityfrom $135 · cancel without a fee

Editorial team, halongovernightcruise.comUpdated October 18, 20268 min read11 sources

At a glance

01The trip we book
A 3-hour sunset and plankton kayak tour from Beo Pier, from $48.
02Where it sails
Lan Ha Bay, off Cat Ba Island, in Hai Phong city, not Quang Ninh.12
03Group size
A small group of up to 8 people.
04Plankton
Glowing plankton can show on darker nights, but visibility varies.3
05Terms
Free cancellation up to 24 hours ahead; reserve now, pay later.

Where the evening trips actually go

Search for a sunset trip on the bay and most of what you can book starts on Cat Ba Island, not in Ha Long city. The listings leave from Beo Pier or Ben Beo harbour and head into Lan Ha Bay, the water that borders Cat Ba National Park to the east and southeast.1 That matters for planning: you need to be on Cat Ba in the afternoon, not on a bus from Hanoi. Book your room on Cat Ba for that night rather than racing back to the mainland after dark.

Lan Ha Bay is not a lesser copy of the famous bay next door. Since 2023 it has been part of the same World Heritage property, Ha Long Bay - Cat Ba Archipelago, which spans Quang Ninh province and Hai Phong city.42 Lan Ha belongs to the Hai Phong side. The limestone towers, the green water and the fishing rafts look much the same, and the evening light falls on them just as warmly. Seen from a kayak at dusk, the border between the two provinces is invisible; only the names on the map change.

In practice, a Ha Long Bay sunset cruise in the form you can book online is a Lan Ha Bay outing from Cat Ba. Inside Ha Long Bay itself, the classic way to stay out for the evening is an overnight cruise, anchored among the islands while the day boats head home. Both are covered here, and the choice between them comes down to where you sleep that night. If you have only one evening in the region, decide first where you want to wake up the next morning.

The evening, step by step

How the Beo Pier kayak trip unfolds

  1. Meet

    Beo Pier, Cat Ba

    The tour starts at Beo Pier on Cat Ba Island with an English-speaking guide.

  2. First stop

    Cai Beo floating village

    The route passes the Cai Beo floating village on the way out.

  3. Next

    Monkey Island

    The group continues past Monkey Island into Lan Ha Bay.

  4. Golden hour

    Kayaks among the karsts

    Paddle the lagoons as the light drops; dusk is the time for quiet water and fishing boats.5

  5. After dark

    Looking for plankton

    On darker nights the water can glow around each paddle, but visibility varies.3

  6. Return

    Water taxi to shore

    A water taxi brings the group back at the end of the 3-hour trip.

The sunset kayak trip from Beo Pier

The tour this page books is a 3-hour outing that combines a sunset paddle with a search for glowing plankton after dark. It starts at Beo Pier, passes the Cai Beo floating village and Monkey Island, spends its time in Lan Ha Bay and returns by water taxi. An English-speaking guide leads the group. If you have never kayaked before, a double kayak with the stronger paddler at the back is the easy choice.

Groups are small, with a maximum of 8 participants, and swimming is optional rather than part of the plan. That suits travelers who want time in a kayak without a crowd around them. Bring clothes you do not mind getting wet, a dry layer for the ride back and a waterproof bag for your phone, as the light fades fast once the sun drops behind the karsts. A head torch is handy for the walk back from the pier, and sandals that can get wet are better than sneakers.

The listing is rated 4.55 from 63 reviews and starts from $48. Pull out with 24 hours still to spare and the refund is complete; the place can be held without paying upfront. The listing does not mention a hotel pickup, so plan your own way to the pier, and check the meeting details in your confirmation before the day. Arrive at the pier a little early, before the light starts to go, and save the guide's number in your phone.

By the numbers

How many travelers have rated each evening trip

reviews
Plankton boat: 605 605 Plankton boatSunset, night kayak: 184 184 Sunset, night kayakSunset, plankton kayak: 63 63 Sunset, plankton kayakSunset party trip: 48 48 Sunset party trip
Review counts on each GetYourGuide listing at the time of writing.

Side by side

Four evening trips on Lan Ha Bay

TripLengthRatingFrom
Sunset and plankton kayak3 hrs4.55from $48
Plankton boat tour4 hrs4.83from $44
Sunset and night kayak2 to 4.5 hrs4.54from $32
Sunset party trip3 hrs4.50from $24

Length, rating and starting price per person from each listing; all four start on Cat Ba Island and sail Lan Ha Bay.

Three ways to spend the evening

Paddle, ride or stay the night

Lan Ha Bay: Sunset + Bioluminescent Plankton Kayak Tour Small group

Sunset kayak

From Beo Pier, Cat Ba

Length
3 hrs
Group
Up to 8
Price
from $48
See the trip
Cat Ba: Lan Ha Bay Bioluminescent Plankton Boat Tour Most reviewed

Plankton boat

From Cat Ba, with pickup

Length
4 hrs
Rating
4.83
Price
from $44
See the trip
Hanoi: 2 Days Ha Long, Lan Ha Bay 5-Star Cruise with Balcony Balcony cabin

A night on board

From Hanoi or Ninh Binh

Length
2 days
Rating
4.81
Price
from $135
See the trip

Decision helper

Pick your evening on the water

Find the wish closest to yours

The Beo Pier kayak trip

Sunset and plankton in one 3-hour outing.

The plankton boat

A 4-hour boat trip with pickup included.

The sunset party trip

A 3-hour sunset outing from $24.

An overnight cruise

Guests at the overnight stops watch both over the bay.6

The Beo Pier kayak trip

Groups are limited to 8 participants.

On darker nights, lucky travellers might witness the water spark with bioluminescent plankton, glowing like underwater fireflies with every stroke of a kayak paddle.

Vietnam National Authority of Tourism (vietnam.travel)Source 3

Glowing plankton after dark

The second half of an evening tour is the part people remember. On darker nights, the national tourism site notes, the water can spark with bioluminescent plankton around each paddle stroke.3 Nothing about it can be promised: the operator of the Beo Pier trip says plainly that bioluminescence visibility may vary. Think of it as a gift from the bay on the right night rather than a show that starts on cue.

If the plankton is your main reason to go, consider the boat version. The Lan Ha Bay plankton boat tour from Cat Ba lasts about 4 hours, includes pickup and is rated 4.83 from 605 reviews. It runs in sun or rain and is cancelled only if there is a storm, and its operator recommends a towel and a swimsuit. The boat version also works for travelers who are not comfortable in a kayak in the dark, and for families with younger children.

A third option keeps you in a kayak for longer. The sunset and night kayak trip lasts between 2 and 4.5 hours and is rated 4.54 from 184 reviews. Whichever you pick, a dark evening without a bright moon gives the glow its best chance. Keep your camera expectations modest: the effect is easier to see than to photograph. Your eyes need a few minutes away from phone screens and deck lights before the faint blue sparks become visible.

Checklist

What to pack for a sunset on the water

01

In your bag

  • Swimwear and a towel, if you want to swim
  • A dry layer for the ride back after dark
  • A waterproof pouch for phone and cash
  • Insect repellent for the dusk hour
02

Before you book

  • How you get to the pier on Cat Ba
  • A darker night helps the plankton show
  • A spare evening in case of storms
  • The meeting time in your confirmation

Cost calculator

What your group pays for an evening trip

Starting totals for your group on four evening trips from Cat Ba.

People 2

Total from$95

per traveler from $48

Check availabilityfree cancellation

Each total starts from the lowest per-person fare GetYourGuide lists, converted with the euro reference rate; the booking page shows the exact sum for your date and cabin.

Video

Luxury Ha Long Bay Cruise 2 Days 1 Night 2026 - FOR FIRST TIMER IN VIETNAM

The clip stays off until you tap play.

Sunset from the deck of an overnight boat

The other way to see the light fade is to stay on the water. The national tourism site describes the moment the day-trippers retreat to the mainland and the bay grows quiet.7 On an overnight cruise you are still out there, anchored among the islands, while the day boats head back. Engines go quiet, the lights of other boats come on one by one, and the karsts turn into dark outlines against the last of the sky.

The Ha Long Bay Management Board lists the Trong Cave and Trinh Nu Cave area as a popular overnight stop, where guests fish, go squid fishing and watch the sunrise and sunset over the bay.6 The cruise this site recommends for a full night includes squid fishing, swimming and kayaking among its activities. For many travelers, that is the real Ha Long Bay night cruise: dinner on board, then lines over the side in the dark. Ask the crew when the squid fishing starts, and keep a light layer handy for the deck.

Kayaking at dusk is worth asking about on any boat. The tourism authority calls the time just before sunset ideal for paddling to see quiet lagoons and fishing boats up close.5 One Lan Ha Bay cruise from Cat Ba even sells a package with night kayaking among the bioluminescent plankton. Check the exact program of your cruise before you count on a sunset paddle. Ask about the time of the kayak slot too: midday and evening light make very different paddles.

Boat hours, seasons and the weather

Daylight trips inside Ha Long Bay run to a clock set by the authorities. Tourist boats may leave port from 5:00 am and must be back by 8 pm in summer, from April 1 to October 31, and by 7 pm in winter.8 Those rules come from the Ha Long Bay Management Board; the Lan Ha Bay trips from Cat Ba fall under Hai Phong, and their timing is set by each listing. When you book an evening trip from Cat Ba, the meeting time in your confirmation is the one to trust.

Storms change everything. When Storm Wutip approached on June 13, 2025, overnight boats in Ha Long Bay were suspended and tourist boats had to be back on shore before 6 pm.9 The plankton boat from Cat Ba follows the same logic on a small scale: it runs in rain but not in a storm. Keep a spare evening in your plans if you travel in summer. Operators decide on the day, and it pays to read the cancellation terms of your listing before you book.

Vietnam's tourism authority names September to November as the best time for Ha Long, with clear, calm days in autumn and spring and a chance of storms in summer.10 It also says autumn and winter bring atmospheric fog, while summer brings crisp visibility and warm nights.11 A misty evening still has its own soft colors, even when the sun never shows. Haze softens the sunset rather than hiding it, and the low light can turn the water silver instead of gold.

Which evening suits your trip

If you are staying on Cat Ba, the Beo Pier kayak trip is the simplest way to combine sunset and plankton in one evening, from $48. If you would rather sit than paddle, the plankton boat tour with pickup costs from $44. For a relaxed evening with a party feel, there is a 3-hour sunset trip on Lan Ha Bay from $24. All three start from Cat Ba, so they work best as part of a stay on the island rather than as a side trip from the mainland.

If you are coming from Hanoi and want the sunset in the main bay, an overnight cruise is the practical answer. The 2-day Ha Long and Lan Ha Bay cruise with balcony starts from $135 and holds 5,869 reviews at 4.81. You watch the light from your own balcony, then wake up for tai chi on deck the next morning. Of the options here, it is the one that gives you sunset and sunrise from the same boat.

Whatever you book, bring insect repellent and a light jacket, and keep your expectations open. Sunsets over limestone depend on clouds as much as on the calendar, and a gray evening with mist between the towers can be just as striking as a red sky. All the evening trips compared here allow free cancellation up to 24 hours before. Book early in the trip rather than on your last evening, which leaves room for a second try if the weather turns.

Plan your night

Two days among the karsts, one night aboard

Keep a balcony cabin on hold, settle the bill later, and change your mind until the day before.

You ask,we answer.

Where do the sunset trips leave from?

Mostly from Cat Ba Island. The trip we book starts at Beo Pier, and another sunset outing leaves from Ben Beo harbour on Cat Ba.

How long is the sunset kayak tour?

About 3 hours. The Lan Ha Bay sunset and plankton kayak tour lasts 3 hours with an English-speaking guide.

Will I see the glowing plankton?

Possibly, on a dark night. The operator says bioluminescence visibility may vary, so treat it as a bonus.

How big is the group?

Up to 8 people. The Beo Pier kayak trip is limited to 8 participants.

Do I have to swim?

No, it is optional. Swimming is optional on the kayak tour; the plankton boat recommends a towel and swimsuit if you want to.

Do the trips run in the rain?

Rain yes, storms no. The plankton boat tour runs in sun or rain but is cancelled if there is a storm.

Can I cancel?

Yes, free up to 24 hours ahead. The kayak tour refunds a cancellation made 24 hours or more ahead, and payment can wait.

Sources

Where the information comes from

  1. 1
    Cat Ba National Park (People's Committee of Hai Phong City)Overview of Cat Ba National Park
    ↩
  2. 2
    UNESCO World Heritage CentreHa Long Bay - Cat Ba Archipelago
    ↩
  3. 3
    Vietnam National Authority of Tourism (vietnam.travel)Overnight cruises in Ha Long Bay: A luxury summer experience
    ↩
  4. 4
    UNESCO World Heritage CentreHa Long Bay - Cat Ba Archipelago
    ↩
  5. 5
    Vietnam National Authority of Tourism (vietnam.travel)Ha Long
    ↩
  6. 6
    Ha Long Bay Management BoardHa Long Bay Itinerary 2
    ↩
  7. 7
    Vietnam National Authority of Tourism (vietnam.travel)Overnight cruises in Ha Long Bay: A luxury summer experience
    ↩
  8. 8↩
  9. 9↩
  10. 10
    Vietnam National Authority of Tourism (vietnam.travel)Ha Long
    ↩
  11. 11
    Vietnam National Authority of Tourism (vietnam.travel)Overnight cruises in Ha Long Bay: A luxury summer experience
    ↩
2-Day Ha Long and Lan Ha Bay Cruise with Balcony 4.8 (5,869) · Free cancellation Typically booked up 6 days in advance from$135 Check availabilityfrom $135 · pay later possible