Guam Car Rental: Korean Licence Rules and Road Tips
Guam law lets visitors with a valid Korean licence drive for up to 30 days from arrival. Speeds are in miles per hour, the island maximum is 45 mph, and you drive on the right.
Can you drive with a foreign licence?
Under 16 GCA §3101(c)(1), a holder of a valid licence from the Republic of Korea may drive in Guam for up to 30 days from arrival. Rental companies set their own minimum age and may ask for extra documents.
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What to bring
- Korean driving licence
- Passport
- Credit card in the driver's name
- IDP if your rental company asks for it
Road rules that catch visitors out
- Traffic keeps right; limits are in mph.
- The island-wide maximum is 45 mph (about 72 km/h).
- Right turn on red is allowed after a full stop unless a sign prohibits it.
- Stop completely for a school bus loading or unloading, from either direction.
- Pass a bus that is loading passengers at no more than 10 mph.
- Drink-driving limit: 0.08% blood alcohol.
Insurance to check
- CDW/LDW (collision or loss damage waiver) limits what you pay if the rental car is damaged or stolen.
- Liability cover protects others; check how much is included and whether supplemental liability is offered.
- Check exclusions such as unpaved roads and driving under the influence.
Booking tips
- If you stay longer than 30 days, you cannot keep driving on the Korean licence alone.
- Speedometers show mph first: 45 mph is about 72 km/h.
FAQ
Do I need an IDP in Guam?
Guam law recognises a valid Korean licence for 30 days. Some rental companies may still ask for an IDP, so check your booking terms.
Can I turn right on red?
Yes, after stopping and yielding, unless a sign prohibits it.