Getting online in the Seychelles: the real picture
For a scatter of small granitic islands marooned in the middle of the Indian Ocean, the Seychelles is better connected than you might guess. The inhabited islands run modern mobile networks, and 4G reaches the populated coasts of the three main islands — Mahé, Praslin and La Digue — so checking a ferry time, messaging a guesthouse or sharing a beach photo works without drama. A travel eSIM is a tidy fit here for reasons that go beyond convenience: you skip the SIM counter at the airport, you avoid the roaming bills that remote island destinations are notorious for, and you're online the instant you step off the plane rather than scrambling to find Wi-Fi. For a holiday that's mostly about beaches, boats and snorkelling, that's exactly the kind of connectivity you want — present when you need it to book a transfer or pull up a map, invisible the rest of the time. It also means the small logistics that make or break an island trip, like confirming an inter-island ferry or a Vallée de Mai slot, never depend on hotel Wi-Fi.
Coverage island by island
The strongest, most consistent signal is on Mahé, around the capital Victoria, the airport, Beau Vallon and the hotel-lined northwest and east coasts. Praslin — home to the Vallée de Mai and the long sweep of Côte d'Or — and nearby La Digue, where bikes and ox-carts outnumber cars and the iconic Anse Source d'Argent draws the crowds, also have dependable coverage across their settled areas. Where data gets patchy is predictable: the granite-and-jungle interior of Mahé around the Morne Seychellois peaks, the more remote southern coves, and especially out on the water. On a boat transfer between islands or a day-trip out to one of the smaller cays, expect signal to drop and return as you approach land. If you're heading to a far-flung outer island — the Aldabra and Amirantes groups, say — treat connectivity as a bonus rather than a given, and download maps and booking confirmations while you still have a solid connection on the main islands. As a rule of thumb, if a place has a village and a jetty it will usually have signal; if it's a sandbank, a marine park or open ocean, it won't, and that's worth planning around rather than discovering mid-crossing.
How much data you'll need
This is a low-data destination by nature — you're here to be in the sea, not on your phone. Typical use is WhatsApp, Google Maps for the odd drive on Mahé, a translation app for Seychellois Creole or French signage, Instagram, and checking ferry and excursion bookings. A week of beach-hopping is usually comfortable on around 3-6 GB. Two weeks across all three main islands, or heavier streaming on the balcony in the evenings, is easy on roughly 8-12 GB. Remote workers parked over the water with a laptop should size up. The plans above list what's available; start mid-range and top up if you find yourself streaming more than expected — it's quick and saves over-buying up front.
Keep your number and WhatsApp
There's no need to swap out your home number. On a dual-SIM phone the eSIM carries your data while your normal SIM keeps calls, texts and bank verification codes alive, and WhatsApp stays on your existing number so contacts reach you as usual. Just turn data roaming off on your home SIM — that stops it quietly running up charges in the background while the eSIM handles everything that matters. In a remote roaming market like this, that one setting is what keeps your bill flat.
Before you fly
Make sure your handset supports eSIM first — most iPhones from the XR onward, plus recent Samsung Galaxy and Google Pixel models qualify; our compatibility checker confirms it in seconds. Buy and install the plan on home Wi-Fi a day or two before departure. It stays dormant until you arrive, then activates when you first connect after landing at Seychelles International (SEZ) on Mahé — so you can sort your transfer to the ferry or hotel without scrambling for a connection.
Indian Ocean island-hopping?
Some travellers pair the Seychelles with a stop on nearby Mauritius. These are separate networks and separate plans, so if your route takes in both, grab a plan for each leg rather than expecting one to follow you across.