Internet and SIM Cards in Sal Island: What Travellers Need to Know

Staying connected in Sal Island is usually straightforward.

Hotels, apartments, restaurants and cafés commonly offer Wi-Fi, while mobile data is available through Cabo Verde’s main telecommunications providers.

For a short and relaxed holiday, accommodation Wi-Fi may be enough. For travellers who want reliable access to maps, WhatsApp, bookings and transport information throughout the day, a local SIM or eSIM is normally the more practical option.

Wi-Fi may be enough for the hotel. Mobile data is what keeps the rest of the island connected.

Quick answer: what is the best internet option in Sal?

Does Sal Island have good internet?

For normal travel use, generally yes.

In Santa Maria and other populated parts of Sal, mobile data and Wi-Fi are usually sufficient for:

• WhatsApp and messaging;
• maps and navigation;
• email;
• social media;
• restaurant and excursion bookings;
• and ordinary web browsing.

The experience can become less consistent when you need:

• long video meetings;
• large file uploads;
• cloud backups;
• high-resolution streaming;
• or uninterrupted professional access for several hours.

Internet quality depends on the accommodation, network coverage, the number of connected users and the exact location.

A signal that works well in central Santa Maria may be weaker inside a particular apartment, behind thick walls or in a more isolated part of the island. Choosing the right base is therefore especially important for remote workers and longer stays, as explained in our guide to where to stay in Sal Island.

Which mobile operators are available?

The two main mobile operators in Cabo Verde are:

• Alou, formerly associated with the CV Móvel brand;
• and Unitel T+.

Both provide prepaid mobile services, data packages and options designed for phones and other connected devices.

Coverage and performance can differ slightly according to location, building and network demand. There is no universal answer that one operator will always work better everywhere on the island.

For an ordinary holiday in Santa Maria, either provider may be suitable. For a long stay or remote work, it is sensible to ask people in the exact building or area which network performs more consistently indoors.

Should you buy a local SIM card?

For most visitors staying several days, a local SIM is a practical and economical solution.

It allows you to:

• use maps without searching for Wi-Fi;
• contact hotels, drivers and excursion providers;
• receive updates while away from the accommodation;
• use WhatsApp throughout the day;
• and maintain a backup connection if the hotel Wi-Fi fails.

A local SIM is particularly useful for:

• independent travellers;
• people renting a car;
• visitors staying in apartments;
• remote workers;
• and anyone who does not want to depend on restaurant or hotel networks.

It becomes even more useful when you are exploring independently and need maps, contact with drivers or last-minute transport information. Our guide to getting around Sal by taxi, tour, rental car and local transport explains where mobile access can make everyday movement easier.

Where can you buy a SIM card in Sal?

Local SIM cards are normally available through official operator shops and authorised sales points.

Visitors may find them:

• at or around Amílcar Cabral International Airport;
• in Santa Maria;
• in Espargos;
• and through authorised mobile-service retailers.

Airport availability is convenient, but opening hours and stock should not be assumed without checking.

If the airport counter is closed or busy, you can normally arrange a SIM later in Santa Maria rather than treating the first hour of the trip as a telecommunications emergency. This is one of the reasons it is better not to make every practical decision immediately after landing, as explained in our guide to what not to do during your first 48 hours in Sal.

What should you bring when buying a SIM?

Bring your passport or another accepted identification document.

Before leaving the shop, confirm:

• that the SIM has been activated;
• that mobile data is working;
• which package has been added;
• when the package expires;
• how to check remaining data;
• and how to recharge the number.

Do not leave with a sealed SIM and assume that the phone will explain the rest later.

Does your phone need to be unlocked?

Yes. A physical local SIM will only work normally if your phone accepts SIM cards from other operators.

Before travelling:

• check that the device is network-unlocked;
• confirm which SIM size it uses;
• and make sure you know how to change the preferred line for mobile data.

Modern phones commonly use nano-SIM cards, while some devices support both a physical SIM and an eSIM.

Can you use an eSIM in Sal Island?

Yes, eSIM options are available.

Both local-operator and international travel eSIM options may be suitable, depending on your phone and preferred package.

An eSIM can be useful because it allows you to:

• activate data without removing your normal SIM;
• keep your usual number available for messages or authentication;
• install the connection before or shortly after arrival;
• and switch between mobile lines from the phone settings.

Before purchasing, confirm:

• that your phone supports eSIM;
• that it is not network-locked;
• whether the plan includes only data or also calls and SMS;
• the activation period;
• and whether installation requires an existing internet connection.

It is often easier to install an eSIM while connected to reliable Wi-Fi rather than trying to complete the process in the airport car park.

Local eSIM or international travel eSIM?

Local eSIM

A local eSIM may offer:

• a Cape Verdean number;
• local calls or messages, depending on the package;
• competitive local data allowances;
• and direct access to the operator’s recharge system.

International travel eSIM

An international travel eSIM may offer:

• installation before departure;
• immediate data after landing;
• a simple online purchasing process;
• and no need to visit a local shop.

However, many international eSIMs are data-only and may be more expensive per gigabyte than local plans.

The best choice depends on whether you prioritise immediate convenience, a local number or the lowest possible data cost.

Is roaming from Europe included?

Do not assume that European roaming rules apply in Cabo Verde.

Cabo Verde is outside the European Union and European Economic Area roaming zone.

Your home operator may charge separately for:

• mobile data;
• incoming and outgoing calls;
• SMS messages;
• and voicemail connections.

Before departure, check the exact Cabo Verde tariff in your operator’s application or official website.

Disable data roaming if you do not intend to use it.

A few background updates, photo backups or application downloads can become expensive when roaming is billed outside your normal plan.

Unexpected mobile charges can affect a travel budget more than many visitors expect. Our guide to how much a trip to Sal Island really costs helps place connectivity alongside accommodation, food, transport and activities.

Can roaming still be useful?

Yes, roaming can be useful as a temporary bridge.

It may help you:

• contact your airport transfer after landing;
• open the accommodation address;
• receive an urgent message;
• or remain connected until you activate a local SIM or eSIM.

Use it deliberately rather than leaving it active without understanding the cost.

Is hotel Wi-Fi enough?

For many holiday travellers, yes.

Accommodation Wi-Fi may be enough if you mainly need to:

• send messages;
• check email;
• browse occasionally;
• and prepare the following day’s plans.

It may not be enough if you need:

• reliable professional video calls;
• large uploads;
• continuous access throughout the island;
• or guaranteed connection from every room.

Hotel descriptions often say “free Wi-Fi” without explaining:

• the actual speed;
• whether it reaches the rooms;
• whether the connection is shared by the whole building;
• or whether it becomes slower during busy periods.

Free Wi-Fi describes the price. It does not describe the performance.

How should remote workers check accommodation Wi-Fi?

Do not rely only on phrases such as “good Wi-Fi” or “suitable for remote work”.

Before booking a long stay, ask for:

• a recent speed test from inside the room or apartment;
• download and upload speeds;
• latency where possible;
• confirmation that the router is private or shared;
• and information about recent outages.

Also check whether the mobile signal works inside the property. Mobile data is only a useful backup if your chosen network has coverage where you actually work.

Remote work changes the way you evaluate accommodation, transport, shopping and daily routines. Our guide to staying in Sal Island after the holiday phase explains why a property that works for one week may not work equally well for an ordinary working month.

A sensible remote-work backup plan

Remote workers should consider having:

• primary accommodation Wi-Fi;
• a local SIM or eSIM with sufficient data;
• a phone capable of creating a hotspot;
• a charged power bank;
• and important files available offline.

If a meeting is critical, avoid discovering the connection quality two minutes before it begins.

Can you use your phone as a hotspot?

In most cases, yes, provided the mobile plan and device allow tethering.

A phone hotspot can connect:

• a laptop;
• a tablet;
• another phone;
• or a small number of work devices.

Hotspot use consumes data quickly, especially during:

• video meetings;
• cloud synchronisation;
• software updates;
• and streaming.

Check the data allowance before treating a mobile package like unlimited home broadband.

How much mobile data do you need?

Usage varies widely, but a rough guide is:

These are planning estimates, not fixed rules.

Video, automatic photo backups and system updates consume considerably more data than maps or messaging.

How can you reduce mobile-data use?

• Download offline maps before travelling.
• Disable automatic application updates.
• Pause cloud photo and video backups.
• Use Wi-Fi for large downloads.
• Reduce video-streaming quality.
• Download music, films and documents before leaving home.
• Check which applications are using data in the background.

Can you recharge a local SIM?

Yes. Prepaid numbers can normally be recharged through operator channels and authorised sales points.

Depending on the provider, recharges may be available through:

• operator shops;
• authorised retailers;
• digital customer portals;
• mobile applications;
• or prepaid balance services.

When purchasing the SIM, ask the seller to show you:

• how to check the balance;
• how to view remaining data;
• how to activate another package;
• and whether unused data expires.

Will WhatsApp keep working with a local SIM?

Yes. WhatsApp is normally associated with the number used when the account was registered.

When inserting another SIM, WhatsApp may ask whether you want to change the account number.

If you want to keep using your usual WhatsApp identity, do not change the registered WhatsApp number simply because the phone has a local SIM.

You can use mobile data from the local line while continuing to send and receive WhatsApp messages through your usual account.

What about calls and SMS to your usual number?

If you remove your normal physical SIM, ordinary calls and SMS to that number may not reach the phone until the SIM is reinserted.

This matters when your bank or another service sends verification codes by SMS.

Possible solutions include:

• using a dual-SIM phone;
• keeping the home line active alongside an eSIM;
• changing verification methods before travelling;
• or ensuring you can temporarily reactivate the original line.

Check the roaming cost of receiving calls or messages on the home line.

Banking access and payment verification are important reasons to keep at least one reliable connection active. Our guide to cash, cards, ATMs and everyday payments in Sal explains how mobile access can affect card use and online banking during the trip.

Public Wi-Fi and security

Wi-Fi in cafés, restaurants and public areas is convenient, but it should not automatically be treated as private.

When using shared networks:

• avoid sensitive banking tasks where possible;
• confirm the correct network name;
• use secure websites and applications;
• disable automatic connection to unknown networks;
• and avoid sharing files openly with nearby devices.

For sensitive transactions, your own mobile-data connection may be the safer option.

What should you do before travelling?

• Check whether your phone is unlocked.
• Check whether it supports eSIM and dual SIM.
• Review your home operator’s Cabo Verde roaming charges.
• Download offline maps.
• Save accommodation and transfer details offline.
• Disable automatic backups if roaming may activate.
• Decide whether you want a local SIM, local eSIM or travel eSIM.
• Confirm how you will receive bank verification codes.

A charger, power bank, offline documents and a reliable payment method are all worth preparing before departure. They are included in our practical guide to what to pack for Sal Island and what you can leave at home.

What should you do after landing?

• Connect to trusted airport Wi-Fi only when necessary.
• Contact your transfer or accommodation.
• Purchase or activate the chosen SIM or eSIM.
• Test mobile data before leaving the sales point.
• Confirm that WhatsApp and maps are working.
• Check that your home SIM is not using expensive roaming data.

Common connectivity mistakes

Assuming European roaming is included

Cabo Verde is not part of the standard EU roaming area.

Buying a SIM without checking whether the phone is unlocked

A local card is useless if the device refuses other networks.

Depending entirely on hotel Wi-Fi for remote work

Free internet does not guarantee stable video calls or strong coverage in every room.

Using an eSIM without understanding dual-SIM settings

The phone may continue using the wrong line for data or calls.

Leaving automatic backups active

Photos and videos can consume a large data allowance quickly.

Forgetting how bank verification codes arrive

Removing the home SIM can interrupt SMS authentication.

Waiting until you have no connection to solve the problem

Download essential information and arrange at least one backup before it becomes urgent.

Which option should you choose?

Choose accommodation Wi-Fi only if:

• you want to disconnect;
• you will remain mainly around the hotel or resort;
• and occasional access is enough.

Choose a local physical SIM if:

• you want good value;
• your phone is unlocked;
• you are staying several days or longer;
• and you do not mind visiting a sales point.

Choose an eSIM if:

• your phone supports it;
• you want to keep your physical SIM installed;
• you prefer digital activation;
• or you want mobile data immediately after arrival.

Use roaming if:

• your operator offers a reasonable Cabo Verde package;
• the trip is extremely short;
• or you need temporary access while arranging another option.

In summary

Internet access in Sal Island is generally suitable for ordinary travel use.

Wi-Fi is common in hotels, apartments, restaurants and cafés, particularly in Santa Maria. Mobile coverage is available through Alou and Unitel T+, with physical SIM and eSIM options depending on your device and preferred provider.

For most independent travellers, the most practical solution is:

• accommodation Wi-Fi for heavier use;
• a local SIM or eSIM for maps, messages and everyday movement;
• and a backup plan if work or important communication depends on the connection.

Do not assume that European roaming is included, and do not rely on a hotel’s description of “free Wi-Fi” if you need professional stability.

The best connection in Sal is not necessarily the fastest one advertised. It is the one that continues working when you leave the hotel.