Internet in Kauai: speed, SIM cards and coworking

Updated October 2026Sources

307 MbpsMedian download

Is the internet good in Kauai?

Median fixed broadband in United States is 307 Mbps and mobile is 187 Mbps (Speedtest Global Index, 2026-08). Free wifi in many cafés and the library; speeds vary and rural areas have patchy coverage.

Getting online in Kauai

	Details
Home fibre	Spectrum cable and Hawaiian Telcom fibre in some areas; about 60–100 USD a month. Check address availability.
Cafés and coworking	Free wifi in many cafés and the library; speeds vary and rural areas have patchy coverage.
Outages	Storms and floods can cut power and roads, especially on the north shore.
Tourist SIM	Prepaid SIMs at carrier stores, Walmart and Target, roughly US$25–50 for 30 days; no ID usually needed. A travel eSIM is easiest.
eSIM	Local carriers sell eSIMs to visitors.
Carriers	T-Mobile, Verizon, AT&T
Monthly data plan	$25–50 ($25–50)

Coworking in Kauai

There's no dedicated coworking scene here; people work from cafés and accommodation.

Internet speeds in North America

National medians, Speedtest Global Index.

Country	Fixed	Mobile
United States	307 Mbps	187 Mbps
Canada	258 Mbps	86 Mbps

Quick answers

Is the internet fast in Kauai?

Which SIM card should I get in Kauai?

Prepaid SIMs at carrier stores, Walmart and Target, roughly US$25–50 for 30 days; no ID usually needed. A travel eSIM is easiest.

Can I use an eSIM in United States?

Yes. Local carriers sell eSIMs to visitors, and travel eSIMs work too.

More about Kauai

Going to Kauai solo?

SoloSquare is where travelers, nomads and locals in Kauai meet up for small plans: coffee, dinners, walks and day trips. Join one, or start your own in a minute.

See plans in Kauai

Sources

Speeds are medians from Ookla's Speedtest Global Index, cited for reference. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.