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Northern Mariana Islands travel guide

Warm lagoons, WWII history and island beaches near Guam.

Last reviewed 11 October 2026 · by the Travel Search Engine editorial team

The Northern Mariana Islands are a US Commonwealth in the western Pacific, made up of Saipan, Tinian, Rota and smaller islands. Visitors come for warm turquoise water, diving in the Grotto and important WWII sites.

CapitalSaipan
CurrencyUS dollar (USD)
LanguageEnglish, Chamorro
Calling code+1670
Drives onright
Time zonePacific/Saipan
Getting thereStayConnectDoEat and drinkMoney and safety

Travel tools

Getting there

Saipan International Airport is the main gateway, with flights via Guam and from parts of East Asia; small commuter flights and occasional boats link Saipan with Tinian and Rota.

Best time to visit: Dec–Jun – dry season with sunny skies and lower humidity.

Flights: see the cheapest month to fly to Saipan, with live one-way and return fares from your nearest airport.

Tougher months: August to October is the wettest period and peak typhoon risk.

Weather by month in Saipan

Average daytime highs in °C; dots show how rainy the month is (one dot dry, three dots wet).

Time zone: Pacific/Saipan. Compare with your local time.

Background: Visa policy of the United States (Wikipedia).

Stay

Most trips to Northern Mariana Islands are based around Saipan, Managaha Island or The Grotto. Pick a base for your main interest, then add day trips rather than moving hotels every night.

Typical daily budget: about US$80–120 for a backpacker and US$150–250 mid-range, per person.

Connect

Plug types: A, B. Voltage: 120 V. Check your own devices on the plug and currency checker.

Calling code: +1670.

Mobile data: set up a travel eSIM or check your roaming plan before you fly, so data works as soon as you land.

Do

Things to do

Eat and drink

Money and safety

Currency: US dollar (USD). Currency and plug checker.

Tipping: US-style tipping: 15–20% in restaurants..

Emergency numbers: 911.

Frequently asked questions

What is the best time to visit Northern Mariana Islands?

Dec–Jun – dry season with sunny skies and lower humidity. Warm tropical climate all year, with a rainy season from July to November.

What time zone is Northern Mariana Islands in?

Northern Mariana Islands uses Pacific/Saipan.

What plug and voltage does Northern Mariana Islands use?

Northern Mariana Islands uses plug type A, B at 120 V. Check whether your devices are dual-voltage before you plug in.

What is the calling code for Northern Mariana Islands?

The international calling code for Northern Mariana Islands is +1670.

Do you tip in Northern Mariana Islands?

US-style tipping: 15–20% in restaurants..

What is the emergency number in Northern Mariana Islands?

911.

Which side of the road do they drive on in Northern Mariana Islands?

Traffic drives on the right.