Saint Vincent Β· City eSIM data plans

Union Island eSIM Plans

Stay connected on Union Island with an eSIM. Enjoy reliable mobile data while exploring this stunning Caribbean paradise in St. Vincent.

21 plans available From $7.11

All Saint Vincent eSIM plans work in Union Island and across the entire country. View all Saint Vincent plans

Best value

Best eSIM Plans for Union Island

Local eSIM Β· 3G/4G

Saint Vincent eSIM 500MB/Day with SMS

Data
500 MB
Validity
1 Days
Speed
3G/4G
$7.11 Buy now
Local eSIM Β· 4G

Saint Vincent and the Grenadines eSIM 1GB Data 7 Days

Data
1 GB
Validity
7 Days
Speed
4G
$9.03 Buy now
Local eSIM Β· 3G/4G

Saint Vincent eSIM 1GB/Day with SMS

Data
1 GB
Validity
1 Days
Speed
3G/4G
$10.23 Buy now
Local eSIM Β· 3G/4G

Saint Vincent eSIM 1GB Data 7 Days with SMS

Data
1 GB
Validity
7 Days
Speed
3G/4G
$11.33 Buy now
Local eSIM Β· 4G

Saint Vincent and the Grenadines eSIM Unlimited Data 1 Day

Data
Unlimited
Validity
1 Days
Speed
4G
$12.32 Buy now
Local eSIM Β· 4G

Saint Vincent and the Grenadines eSIM 2GB Data 15 Days

Data
2 GB
Validity
15 Days
Speed
4G
$15.68 Buy now

Why You Need an eSIM for Union Island, Saint Vincent

Union Island is one of the most breathtaking destinations in the Grenadines, offering pristine beaches, turquoise waters, and unforgettable sailing adventures. Whether you're arriving by ferry from Carriacou, chartering a yacht through the Tobago Cays, or hiking to the summit of Mount Taboi, having reliable mobile internet on Union Island is essential. A Union Island eSIM lets you stay connected from the moment you arriveβ€”no need to hunt for a local SIM card shop or rely on spotty hotel Wi-Fi. Simply activate your eSIM before you travel and enjoy instant connectivity.

Best Networks and Coverage on Union Island

Union Island is served primarily by the two main mobile carriers in Saint Vincent and the Grenadines: Flow and Digicel. Both networks provide 4G LTE coverage across the island's main areas, including Clifton Harbour, Ashton, and Chatham Bay. While coverage is generally reliable in populated zones, more remote areas and offshore cays may experience weaker signals. Choosing a data plan for Union Island that connects to both networks ensures you get the best possible coverage wherever your adventures take you.

Staying Connected at Popular Attractions

Union Island is a gateway to some of the Caribbean's most iconic spots. Here are tips for staying connected while exploring:

  • Clifton Harbour: The main hub of the island offers the strongest mobile signal and is where most travelers arrive. Download maps and travel guides here before heading to more remote areas.
  • Tobago Cays Marine Park: This world-famous snorkeling destination is just a boat ride away. Coverage can be limited offshore, so download any important content before setting out.
  • Chatham Bay: This secluded beach on the western side of the island has moderate coverageβ€”perfect for sharing stunning sunset photos on social media.
  • Mount Taboi: The island's highest point offers panoramic views and surprisingly decent signal strength at the summit for that perfect travel selfie.
  • Happy Island: This quirky bar built on a sandbar in Clifton Harbour has nearby coverage, making it easy to share your unique experience in real time.

Having reliable mobile internet on Union Island means you can navigate unfamiliar roads, translate Vincentian Creole phrases, book last-minute boat tours, and stay in touch with family back home. An eSIM eliminates roaming charges and the hassle of swapping physical SIM cards, making it the smartest choice for modern travelers.

Order your Union Island eSIM today and enjoy affordable, hassle-free data connectivity throughout your Caribbean getaway in Saint Vincent and the Grenadines.

Last updated: August 31, 2026