Renting a car is probably the most convenient way to get around Guam. There are numerous car rental agencies available at the airport and around the island.
Guam has a public bus system, known as Guam Mass Transit Authority (GRTA), which operates in major routes around the island. However, the service might not be as frequent or reliable as in other countries.
Taxis are widely available, especially in the tourist areas. However, they can be quite expensive for longer journeys.
Some hotels and resorts offer shuttle services to/from the airport and around popular tourist spots.
If you are planning to drive, remember that Guam follows the American system, so you will drive on the right-hand side of the road. An international driving permit is required for non-U.S. citizens.
These are also good options, especially in the Tumon area where most of the hotels, shops, and restaurants are located close to each other. However, keep in mind that Guam’s weather can be quite hot and humid.
Guam also has ride-sharing services like Stroll Guam, which is similar to Uber or Lyft.
There are several tour companies that offer bus tours around the island. 9. Hitchhiking is not common and not recommended due to safety reasons.
If you want to travel to the nearby Northern Mariana Islands, there are regular flights operated by United Airlines and Star Marianas Air. Remember, it's always important to follow local regulations and guidelines while using any type of transportation.