Quick answer
Use the same Singapore eSIM at Sentosa. It is 4G roaming and data only. Turn on Data Roaming for this eSIM, at no extra charge, and use it for maps, Grab, and WhatsApp. WhatsApp calls work over this data.
How do I get online at Sentosa?
Install the eSIM on Wi-Fi before you fly, or on Wi-Fi after you land at Changi (SIN). Turn on Data Roaming for the Singapore line and choose it for mobile data. The phone must be unlocked and support eSIM. No documents are required.
What should I use the data for?
Maps, Grab for ride-hailing, WhatsApp, and hotspot. WhatsApp calls work over this data. The eSIM has no phone number. TikTok and most AI apps, such as ChatGPT, may not work on this eSIM.
Which plan suits Sentosa?
A layover uses a 1-day plan: 500 MB/day or Unlimited. An overnight stop uses 3 days · 3 GB. For a longer stay: 5 days · 5 GB, 7 days · 10 GB, 15 days · 20 GB, or 30 days · 20 GB.
Days start when the eSIM first connects to a network. Installing the day before the flight uses no days. Pick one day more than the stay. There are no top-ups.
Frequently asked questions
Do I need a different eSIM for Sentosa?
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No. The same eSIM is for Singapore, including Marina Bay, Orchard Road, and Sentosa.
Will TikTok work at Sentosa?
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TikTok and most AI apps, such as ChatGPT, may not work on this eSIM.
Can I share data with a travel partner?
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Yes. Hotspot is included. It uses your plan’s data. If you each want a line, buy two plans. Each QR scans once.