Ha Long Bay eSIM by Vietnamesim.com

Ha Long Bay eSIM

4.8 Stars
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  • Data: Daily 2GB/3GB/5GB/6GB high-speed data 5G/4G/LTE
  • Validity: 7/10/15/30 days
  • Coverage: Ha Long Bay and across Vietnam
  • Network operators: Viettel, Vinaphone, MobiFone
  • Vietnam phone number: Yes
  • Outgoing calls & SMS: varied by plan (see table below)
  • Delivery: Immediate, via email, after order checkout
  • Hotspot/Tethering: Yes
  • Credit Top-up: Available
  • Best time to buy: Before departure or in Vietnam (Max. 15 days before departure)

$6.90 – $19.90

Description

Halong Bay eSIM – 5G/4G Data with Number

Renew Automatically Every 24 Hours

Experience seamless 5G/4G data in Halong Bay – from the breathtaking limestone islands to the vibrant night markets and cruise adventures. Your eSIM is delivered instantly via email, ready to activate in minutes. No physical SIM, no hassle. Powered by Vietnam’s top networks: Viettel, Vinaphone (VNPT), and MobiFone.
  • Stay connected with reliable, high-speed data every day throughout your Halong Bay adventure.
  • Daily data renews automatically – no manual top-ups required.
  • Great value for travelers – flexible plans at competitive prices without hidden fees.

Get best value Ha Long Bay eSIM plans

Viettel – Top 1 network

Daily 5GB with 5G/4G LTE

*Valid for up to 30 Days

Data only plan

Starts at

$ 13.90

Vinaphone with calls

Daily 2GB – 5GB with 5G/4G

*Valid for up to 30 Days

Data + FREE call mins

Starts at

$ 10.90

MobiFone/Local

Daily 3GB – 6GB with 5G/4G

*Valid for up to 30 Days

Data + FREE call mins/SMS

Starts at

$ 6.90

Compare all eSIM plans for Ha Long Bay

Each eSIM plan comes with different features. Look and select the best one from Vietnam’s best local networks!!
Plan Validity Data Network Phone number & extra features
Vina 7D 7 days Daily 2GB Vinaphone (VNPT) Vietnam local phone + 1,000 free on-net call minutes
Vina 10D 10 days Daily 5GB Vinaphone (VNPT) Vietnam local phone + 1,000 free on-net call minutes
Vina 15D 15 days Daily 5GB Vinaphone (VNPT) Vietnam local phone + 1,000 free on-net call minutes
Vina 30D 30 days Daily 5GB Vinaphone (VNPT) Vietnam local phone + Top up to call and text
Viettel 15D 15 days Daily 5GB Viettel High-speed data and extensive coverage from Vietnam’s top 1 mobile network.
Viettel 30D 30 days Daily 5GB Viettel High-speed data and extensive coverage from Vietnam’s top 1 mobile network.
Mobi 10D 10 days Daily 3GB MobiFone Vietnam local phone + Free incoming calls & SMS
Mobi 15D 15 days Daily 3GB MobiFone Vietnam local phone + 30 minutes free on-net calls
Mobi 30D 30 days Daily 6GB MobiFone Vietnam local phone + 500 minutes free on-net calls

What you can expect

#1 Network speed

Enjoy the real-time tested, fastest data speed from Vietnam’s top 1 network.

Instant activation

Get your mobile data working in just a few minutes.

Keep number

Continue using your current number while enjoying our eSIM data.

Zero roaming fees

Everything paid upfront, zero hidden fees or roaming costs.

Ha Long Bay eSIM offers high-speed data

Elevate your Halong Bay experience with seamless connectivity

Ready to sail through Ha Long Bay’s mystical waters, explore ancient caves, and share every magical moment seamlessly? Purchase your Halong Bay eSIM now! Skip the port Wi-Fi struggles, board your cruise with data, coordinate with tour guides and share stunning karst formations instantly. With our eSIM Halong Bay, you can experience immediate activation, flexible daily data, and the confidence of superior bay-wide coverage. Stop worrying about losing connection during cave explorations – stay online instantly and capture Halong’s timeless beauty!

Discover more Vietnam eSIM plans!

How it works

Effortless eSIM activation awaits – prepare to conquer Hanoi with confidence!!
Step 1 - Buy plan for Hanoi eSIM

Step 1

Choose your plan

Browse our travel data plans, pick the perfect option and place an order.

Step 2

Scan QR code

Receive the QR code and user guide via email (instantly). Simply scan to activate.

Step 3 - Enjoy Internet with Hanoi eSIM

Step 3

You’re all set!

Enjoy unlimited access through our fast and reliable network.

Things to know

Data and voice service

Your eSIM Hanoi provides both data and calling with a local Vietnam phone number from top networks.

Check compatibility

Verify your phone supports eSIM and is unlocked. Check our eSIM compatibility list before purchasing.

Activation time

Your plan activates immediately after installation, so install it just before departure or upon arrival in Vietnam.

30-day activation

Activate your data plan within 15 days of purchase (for Viettel’s) and 30 days (for others). No cancellations, refunds, or changes after this period.

One-time scan

Each QR code works only once – never delete your eSIM during use. Contact [email protected] or +1 657-571-1199 if you need help.

Frequently asked questions

If you still have questions about this service? We are here to help

Do I need a passport to buy the Ha Long Bay eSIM?
It is not necessary to show your passport when buying eSIMs at vietnamesim.com.

Your data plan will start as soon as you install it on your phone. It is recommended for you to scan and activate your eSIM right before your departure date so you will be connected after landing.
When you install your eSIM, the number of the days will start to count down. If you are not in the country that the eSIM covers, you cannot access the data and will not lose any data in the plan.

Install the evening before departure or on arrival in Ha Long Bay with free Wi-Fi.

Absolutely. While optimized for Ha Long Bay, our eSIM covers the whole of Vietnam: Hanoi, Ho Chi Minh City, Sapa, Da Nang, Nha Trang, Phu Quoc…, and across Vietnam.

For your travels, we recommend using an eSIM in Ha Long Bay for tourists if your device supports them. It’s more convenient and activates instantly.

Install the eSIM with the QR code sent to your email. In the mobile settings, select it as the default mobile data, turn on data roaming and mobile data. Then, your eSIM will work. Read more in our eSIM installation guide.

Yes, Ha Long Bay eSIM plans include hotspot feature for sharing data with other devices.

After you place your order, we will send an email with your eSIM information, including QR code, confirmation code and activation guide within 3-10 minutes. Just scan the QR code and follow the user guide.

Our Hanoi eSIM is a one-time-use eSIM. After being activated, it will be ready for you to use until the expired date or when daily data runs out. If you remove eSIM from your phone, you will not be able to use it once again.

We provide 24/7 customer support via WhatsApp (+1 657-571-1199) and email to promptly resolve any connectivity issues during your Ha Long Bay adventure.

Yes, depending on your plan. Vinaphone plans include free on-net calls, while MobiFone plans vary by duration. You can also top up credit for additional calling needs.

The Internet stops until 23:59 (GMT+7) then resets to full speed automatically.

Yes. Set your primary SIM for calls/SMS, and the eSIM for mobile data only.

Show all FAQs