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From Sint Maarten to Guam

All plugs match

When travelling from Sint Maarten to Guam: Good news: all your Sint Maarten plug types fit in Guam. Voltage matches at 110V. Frequency is the same at 60Hz.

Sint MaartenSint Maarten
GuamGuam

Your plugs

Plug A

Type A

Fits

Plug B

Type B

Fits

Accepted in Guam

Plug A

Type A

Plug B

Type B

2 of 2 plug type(s) match

You: A, B • Guam: A, B

Voltage: 110V → 110V

Same voltage

Frequency: 60Hz → 60Hz

Same frequency

You may not need an adapter

Adapters you may need

Plugs, voltage and frequency line up for most chargers.

About electricity in Guam

Guam is 110V/60Hz with Type A and B sockets. US standard.

GU

Grid & history

GPA supplies the island from a mix of oil-fired plants and growing solar.

Availability

Reliable.

Sockets & hotels

Standard North American sockets.

Energy mix

Renewables15%
Fossil85%

Practical tips

  • US plugs fit local sockets directly, so US travellers do not need an adapter.
  • Voltage is 110V, so US plugs and chargers are designed for it.

Need an adapter?

Find reliable travel adapters for GU on Amazon.

Browse adapters on Amazon →

Frequently asked questions

Will my Sint Maarten plug work in Guam?
Yes. Every Sint Maarten plug type (Type A, Type B) fits in Guam sockets without an adapter.
What plug type does Guam use?
Guam uses Type A, Type B. The supply is 110V at 60Hz.
Do I need a voltage converter for Guam when travelling from Sint Maarten?
Guam runs on 110V, the same as Sint Maarten. Any charger that works at home will work there.
Is the electrical frequency in Guam the same as Sint Maarten?
Frequency in Guam is 60Hz, the same as Sint Maarten.