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Guam Reef & Olive Spa Resort
Guam Reef & Olive Spa Resort - dream vacation

1317 Pale San Vitores Road Tamuning

Alupang Beach Tower
Alupang Beach Tower - dream vacation

999 South Marine DriveTamuning

Holiday Resort & Spa Guam
Holiday Resort & Spa Guam - dream vacation

881 Pale San Vitores RoadTamuning

Hyatt Regency Guam
Hyatt Regency Guam - dream vacation

1155 Pale San Vitores RoadTamuning

Onward Beach Resort
Onward Beach Resort - dream vacation

445 Governor Carlos G. Camacho Rd.Tamuning

Hotel Nikko Guam
Hotel Nikko Guam - dream vacation

245 Gun Beach Road Tumon P.O.Box 12819Tamuning

Guam (Chamorro: Guåhån) is an island in the western Pacific Ocean, about three-quarters of the way from Hawaii to the Philippines. An unincorporated territory of the United States of America, Guam gets most of its visitors from East Asia, especially Japan.



There are no cities on Guam with a population over 50,000 people, but each village represents an individual jurisdiction, all of which have mayors and limited autonomy within the central government. The largest population concentration is in the northern and central parts of the island, since the south is fairly lightly populated (the northernmost part of the island, however, is mostly owned by the US military).

Around 120,000 of the island's population of approximately 160,000 live in the northern and central parts of the island (including the villages of Tumon, Hagåtña, DededoBarrigadaTamuning and Agana Heights).

  • 1 Hagåtña (Agana) - the capital (pop. 1,100)
  • Tumon - where most tourists head, on the central west of the island (part of Tamuning)
  • Dededo  - The most populous on Guam. (pop. 42,980)
  • Tamuning - Guam's third-most populous city and most industrial. (pop. 18,012)
  • 5 Mangilao - Home to the University of Guam. (pop. 13,313)
  • Talofofo - Village in the Jungles of Southern Guam. (pop. 3,215)

Other destinations

  • 1 War in the Pacific National Historical Park - former battlefields, gun emplacements, trenches, and historic structures all serve as silent reminders of the bloody World War II battles that ensued on Guam. While the park is known for its historical resources, the warm climate, sandy beaches, and turquoise waters attract visitors and residents. See Pacific War for background.
  • 2 Guam National Wildlife Refuge - wildlife refuge which protects Ritidian Point, the northernmost point of Guam.


Guam is the largest and southernmost island in the Mariana Islands archipelago. While it shares strong linguistic and cultural similarities with the remaining islands of the archipelago, it is politically distinct: Guam is an unincorporated territory of the United States of America, while the remaining islands of the archipelago comprise the Commonwealth of the Northern Mariana Islands (CNMI). Guam and the CNMI are among thousands of islands in the Oceania subregion of Micronesia, which consists of the island nations of Belau (Palau), the Federated States of Micronesia (FSM), Kiribati (which has cultural affinities with Polynesia and Micronesia), the Marshall Islands, and several remote islands designated as the U.S.-administered islands of the Central Pacific.


Guam is thought to have been inhabited by people since about 4000 BC, when it was discovered by Southeast Asians, the distant ancestors of the local Chamorro people. Owing to a lack of written records, not much is known about the early Chamorro society, but the latte stones — a type of structure dating from that period — dot the island (as well as others in the Marianas). It's not certain how a Neolithic people with no knowledge of metals ever cut these stones, but they were most likely used as supports for the houses of the privileged class. Similarities between the latte stones and some wooden structures in the Philippines and Indonesia have been pointed out, and more imaginative minds might even see resemblances with the moai of Easter Island far to the east.

The first European contact came in 1521, with the Portuguese explorer Ferdinand Magellan on his famed circumnavigation of the world, sponsored by Spain. Having no counterpart of the western concept of "ownership" in their culture, curious Chamorro canoed out to Magellan's ship, relieving it of whatever they could get their hands on. As a result, Magellan named the islands Islas de los Ladrones, "islands of the thieves."

Spain claimed the island in 1565 and Christianity arrived soon after. Guam became one of the most favorable harbors in the trans-Pacific maritime routes, serving as a common port-of-call for the ocean-going galleons between Mexico and the Philippines, both major possessions of the global Spanish Empire then. It was around this time that the modern Chamorro culture started to take shape, when intermarriages between the locals, Filipinos, and the Spaniards were common.

Guam was ceded to the U.S. by Spain in 1898 after the Spanish-American War. Captured by Japan and its army in 1941, it was retaken by the U.S. after an occupation lasting three years, during which locals were often treated brutally as defeated enemies.

In 1950, Guam was elevated to the status of an organized territory, and all locals were granted American citizenship. In the 1960s, there was even briefly a discussion of forging all American possessions out in the Western Pacific (which included Guam, the Northern Mariana Islands, as well as now-independent Palau, Micronesia, and Marshall Islands) into a full-fledged U.S. state centered in Guam, the largest and most populous island of all between Japan, New Zealand, the Philippines, and Hawaii. However, this proposal was quickly dismissed by the Guamese, mainly due to their mistrust of their Chamorro brethren on the Northern Marianas, who loyally served the Japanese during the occupation of Guam (Northern Marianas had been a Japanese possession between World War I and the end of World War II, hence the Chamorro of Guam and the Chamorro of the Northern Marianas were on opposing sides).

As Guam is the westernmost point in the Pacific Ocean to fall within U.S. territory (so far west it's in the Eastern Hemisphere), the military installations on the island are some of the more strategically important U.S. bases in the Western Pacific.


The economy depends on U.S. military spending, tourism, and the export of fish and handicrafts. Total U.S. grants, wage payments, and procurement outlays amounted to $1 billion in 1998. Over the past 20 years, the tourist industry has grown rapidly, creating a construction boom for new hotels and the expansion of older ones. More than 1 million tourists visit Guam each year. The industry has suffered setbacks because of the continuing Japanese slowdown; the Japanese normally make up almost 90% of the tourists. However, Guam tourism is branching out to attract people from other Asian countries such as South Korea and China. Most food and industrial goods are imported. The possibility of a large military buildup has generated a lot of interest in increasing the tourist facilities on the island.


Guam enjoys a tropical marine climate: generally warm and humid, moderated by northeast trade winds. The dry season runs from January to June, the rainy season from July to December, though with little seasonal temperature variation. During the rains, squalls are common, though destructive typhoons are rare.


English and Chamorro are the official languages of Guam. Persons employed in the tourist industry will typically have a working knowledge of Japanese.

Get in

The entry requirements for Guam are largely the same as those for the U.S, and nationals of all countries not needing a visa to enter the U.S. do not need a visa to enter Guam, although they may require an ESTA travel authorization. Foreign citizens may enter Guam using one of three options: (1)- the U.S. Visa Waiver Program, (2)- the Guam-CNMI Visa Waiver Program or (3)- a valid U.S. visa. If you are using the Guam-CNMI Visa Waiver Program, which applies in both Guam and the Northern Mariana Islands, you do not need to apply for a travel authorization prior to going. The Guam-CNMI Visa Waiver Program includes eight U.S.-VWP countries (Australia, Brunei, Japan, New Zealand, South Korea, Singapore, Taiwan and the United Kingdom) plus Hong Kong, Malaysia, Nauru and Papua New Guinea. Foreign citizens using the U.S.-VWP may stay 90 days, while citizens using the Guam-CNMI VWP may stay for 45 days. Mainland Chinese and Macau citizens in possession of a machine-readable passport, completed Form I-736 (Guam-CNMI Visa Waiver Information form) and Form I-94 (Arrival-Departure Record) may enter the CNMI only visa-free for up to 45 days, but not Guam, which still requires a visa in advance. Citizens of non-VWP countries must apply for a U.S. visa at any U.S. embassy.

Citizens of Canada do not require ESTA, Guam-CNMI Visa Waiver Program, or a US visa to visit Guam for tourism or business for up to 6 months.

By plane

  • 1 Won Pat Guam International Airport (GUM IATA). is the only civilian gateway to the island  

The main airline serving Guam is United Airlines, which offers non-stop service to Honolulu and Tokyo with onward connections from either airport to Los Angeles, Chicago, Denver, Houston, Newark, San Francisco, and Washington-Dulles. It also offers non-stop flights from Guam to most major cities in Japan, Hong Kong, Palau, Manila and Cebu in the Philippines, and many of the Federated States of Micronesia.

All other service to Guam is through East Asia on Delta Air Lines, and JAL (both serving Tokyo, Osaka and Nagoya), Jeju Air (Seoul), Jin Air (Seoul), Korean Air (Seoul and Osaka), ANA (Osaka), China Airlines (Taipei), Eva Air (Taipei) and Philippine Airlines (Manila).

By boat

There is no regular ferry service to Guam, but cruise ships stop on various itineraries, generally as part of a Pacific crossing or world circumnavigation.

Get around

By car

Driving is fairly simple and similar to the mainland US. The main route on the island is Marine Corps Drive/Guam Route 1 (better known as Marine Drive). On main roads in Guam, expect congestion around rush hour; however, such delays, which rarely exceed 30 minutes, are not as bad as the traffic congestion experienced in larger cities stateside and around the world. Many people purchase vehicles described as "Guam Bombs" which are older vehicles that are great to get around in and affordable, though these are becoming less and less common as more people are buying newer cars.

  • Traffic safety: Island-wide, the speed limit is 35 mph. However, be careful and defensive while driving as it is common to see vehicles moving at far greater speeds, driving through red lights, tailgating, and cutting through traffic without signaling. The per-capita rate of traffic accidents far exceeds stateside rates (the US national average is 19 crashes per 1,000 people, while Guam has 41 crashes per 1,000 people). Additionally, many of the older roads were paved using coral aggregate, causing them to be excessively slippery in rain. While these roads are slowly being replaced, they still exist - primarily in the southern part of the island - and can cause a vehicle to spin out even when driving under the speed limit; take caution.

By bus

Buses are available, through both private companies and the governmentally operated Guam Regional Transit Authority (GRTA). GRTA buses run island-wide, but are slow, difficult to navigate, and often unreliable. Limited operating hours mean that you may wait an hour or more for a GRTA bus, and connections to other bus lines may also incur equally long wait times. Private companies, however, operate their own trolley-style buses through the main tourist areas of Tumon (including all the major hotels) and loop through Micronesia Mall, K-Mart, Agana Mall, and Guam Premier Outlets.

By bike

Bicycling is most common in the Tumon tourist area, and, to a lesser extent, the length of the Hagåtña-Tamuning beachfront sidewalk. Bicycles are available for rent through most hotels and a number of local businesses. While bicycling is possible in other areas of the island, it is not common due to potholes, erratic driving, stray dogs, rainy weather, and hilly regions (in the southern part of the island). Due to these reasons, it is not recommended that one ride a bike outside of the Tumon and Hagåtña-Tamuning area unless they are experienced and skilled.

On foot

Walking is most common in the central business districts of Hagåtña and Tumon. Walking elsewhere around the island is uncommon due to heat, dangerous vehicular traffic, and the lack of sidewalks. Within villages, however, it is common to walk short distances between households, and to small villages stores, churches, mayoral offices, and other community meeting places.


  • Tumon is the center of tourism on Guam. Attractions include beaches that are also wildlife reserves, a large aquarium, and various shows similar to the ones in Las Vegas.
  • The coral reef surrounding Guam together with its underwater channels.


  • Diving in Guam – there are many shore and boat dive sites, mostly along the western coast of the island. The main dive shops catering to English speakers are MDA and Axe Murderer Tours. Signature dives include Blue Hole, an advanced dive through a reef chimney to the recreational depth maximum; and the wrecks of the SMS Cormoran II and Tokai Maru in Apra Harbor, thought to be the only place on Earth where wrecks from the First and Second World Wars touch.



Guam uses the U.S. dollar ("$", ISO currency code: USD). It is divided into 100 cents.


There are many retail outlets in Guam, including DFS (Duty Free Shoppers) which operates several stores in hotels, a large "Galleria," and a store in the Guam Airport. Further, visitors to Guam will note some of the same shopping opportunities available in the United States. Although there is no Wal-Mart, there is a large K-Mart that does a very high volume of business. Indeed, visitors who are used to the voided cavernous K-Marts in the U.S. may be surprised to find that they can barely squeeze through the aisles of the Guam K-Mart.

The Tumon Bay area has many duty-free shopping outlets and boutiques catering to Japanese tourists. Among these are boutiques selling Bvlgari, Chanel, Cartier, Dior, Fendi, Ferragamo, Gucci, Hermes, Louis Vuitton, Rolex, and more.

For U.S. citizens, Guam offers greatly increased customs exemptions coupled with duty and tax free importation of goods. However, take care with the prices offered in stores. A lot of merchandise has been shipped a very great distance at no small cost.


Despite its small population Guam has a range of restaurants, including Ya Mon's Jamaican Grill (locally owned & soon-to-be franchised), Hard Rock Cafe, Tony Romas and Chili's are in a building next the Guam Premier Outlets. Major hotels and restaurants serve continental meals and ethnic dishes.

Fresh seafood is bountiful. Fresh fish, octopus, and crab are either grilled or baked with vegetables or fruit, sashimi, and in other ways unique to the Pacific.

Travellers who venture further will find Chamorro, Japanese, Korean, Thai, Vietnamese, Filipino, Chinese, Mexican, and European restaurants, each with its own distinct ambiance. Chamorro Village offers a great variety of choices for local chamorro food, especially Wednesday nights. Of course, American fast food chains, such as Wendy's, Burger King, McDonald's, Taco Bell, Long John Silvers, Pizza Hut, Winchells Donuts and Dominos are common.

Locals pride themselves in barbecuing and it is a frequent event in Guam. Families and friends often get together and for BBQs, so if you visit ask about BBQs. It's a good chance you'll get invited!



The main tourist area is around Tumon Bay, which has a number of high-rise hotels and resorts similar to Waikiki Beach. Cheaper accommodations exist near the airport, especially around the village of Harmon. Be aware that Harmon hotels tend to be on the seedier side since Harmon is a mixed industrial/residential neighborhood. Many of the flights scheduled through Guam to other locations (especially in Asia) often require an overnight layover, so plan ahead. Some hotels offer airport pickup, as taxis can be quite expensive.


The University of Guam provides higher education opportunities for students on Guam, as well as providing higher education for much of Micronesia. The UOG is in Mangilao, on the central eastern side of Guam. Students can earn various undergraduate degrees and several programs offer degrees at the Masters level. Two of the better known Masters- level programs include the (1) Environmental Science Program, focusing on Agricultural sciences through the College of Agriculture and Life Sciences (CALS) and Hydrology and Water Resources through the Water and Environmental Research Institute of the Western Pacific (WERI); and (2) the Marine Laboratory, which focuses on marine biology and other environmental subjects.


The largest employers are the government of Guam and United Airlines, followed by a large duty-free retail firm (DFS Guam), the U.S. Federal Government, the hotel industry and services sectors. Guam has two large military bases and several smaller military installations that employ many people. The only U.S. Air Force base is Andersen Air Force Base on the northern tip of the island. The U.S. Navy has a large naval station -- Naval Station Guam --located on the west-central part of the island near the village Agat.

Stay safe

Observe caution when engaged in water activities on Guam, as in any coastal area, as currents can be swift and unpredictable, depending on the season. During the rainy season (from about August until March), water can pool unevenly on road surfaces. Pooling of rain water can lead to flooding of roads in the southern half of Guam, which does not have sewer drainage built under the road surfaces. Furthermore, many roads are in disrepair and potholes are frequent, which can easily blow out tires. Violent crime is fairly low, but property crime tends to be high, so safeguard valuables in vehicles. Rental cars have stickers and can be targeted by thieves. Guam is in a major earthquake zone, and these occur every few years. That said, there have been few casualties to date.

Stay healthy

The civilian Guam Memorial Hospital is in Tamuning, in the Central Region. If you have access to military bases, there's a Naval Hospital.

Tap water is potable in Guam.


The Chamorro people, also known as the Chamoro or Chamoru, are indigenous to Guam. They possess a culture that mixes Asian, Spanish, and American cultures, and in general the people are gregarious and welcoming to visitors. Observe common courtesies and tend to err on the modest side, especially with clothing. Other cultures found in Guam include those from the Philippines, Japan, China, Korea, and other countries.

The Chamorro population is predominantly but not exclusively Catholic, with Protestantism also popular. On Guam, rosaries take the place of large formal gatherings to remember those who have passed away, and such congregations can occur for up to 20 years after someone has passed.


Guam participates in the North American Numbering Plan and the area code is (671). Mandatory 10-digit dialing is coming into effect in October, so local calls as well as calls from North America into Guam and those from Guam into North America are all to be dialed in the full 10-digit domestic format including area code, while calls from elsewhere in the world into Guam should be prefixed by +1 671 prior to the 7-digit local number.

Despite being a U.S. territory, none of the major U.S. networks (AT&T, Verizon, and T-Mobile) have coverage in Guam, and are instead operated by Docomo Pacific, GTA, and iCONNECT which merged with IT&E in 2020; all of three are locally-operated carriers. As of Dec 2020, Docomo Pacific has 5G while all three carriers have 4G and 3G service. Guam will be treated like an international country and you will be subject to roaming fees! If possible, you can get a visitor SIM Card from any of the local carriers if possible. Most importantly, if you are using a U.S. mainland carrier, check with your carrier to see if your plan will also cover roaming costs while in Guam. T-Mobile offers unlimited text and data (usually at 2G speeds) on most post-paid plans while AT&T and Verizon will make you pay to roam in Guam on a day-by-day basis or with pay-per-use rates. Going in the reverse direction, if you are planning on continuing to the mainland US after Guam, you will either be charged heavily for roaming (docomo Pacific charges $10/day for data, $0.30 per minute, and $0.10 per SMS sent) or blocked altogether (IT&E, GTA).

Guam uses the U.S. Postal Service with zip codes 96910-96915; 96921 and 96929-96932 and a state code of "GU". Postage between Guam, the United States, Puerto Rico and overseas U.S. military & diplomatic installations (APO, FPO, DPO addresses) are the same domestic rates as it would be within Guam. However, international mail sent to Guam, especially if sent from the Asia-Pacific area, is best addressed to "Guam" as the destination country (as opposed to "USA") to avoid a long detour through North America, almost half the world away — literally.



  • Japan, 590 S Marine Dr Ste 604, Guam International Trade Center Bldg, Tamuning, ? +1 671 646-1290, fax: +1 671 649-2620, infocgj@ag.mofa.go.jp. 
  • Republic of Korea, 153 Zoilo St., Tamuning, ? +1 671 647-6488 9, fax: +1 671 649-1336, kconsul_guam@mofa.go.kr. 
  • Micronesia, 1755 Army Dr Tamuning, ? +1 671-646-9154, fax: +1 671-649-6320, fsmguam@teleguam.net. 
  • New Zealand (Honorary), 290 Salas St, Tamuning, ? +1 671 646-7662, fax: +1 671 646-1061, jws@ite.net. 
  • Palau, ITC Building, 590 S. Marine Drive, Suite 121, Tamuning, ? +1 671 646-9281, + 671 646-9282, fax: +1 671 646-5322, guampalauconsulateoffice@gmail.com. 
  • Philippines, ITC Bldg, Marine Dr, Ste 601 and 602, Tamuning, ? +1 671 646-4620, fax: +1 671 649-1868. 

Go next

  • Federated States of Micronesia
  • Hawaii
  • Japan
  • Northern Mariana Islands
  • Palau
  • Philippines
  • South Korea

Exercise normal security precautions

The decision to travel is your responsibility. You are also responsible for your personal safety abroad. The purpose of this Travel Advice is to provide up-to-date information to enable you to make well-informed decisions.

Air travel

Consult our Transportation Safety page in order to verify if national airlines meet safety standards.


Related Travel Health Notices
Consult a health care provider or visit a travel health clinic preferably six weeks before you travel.

Routine Vaccines

Be sure that your routine vaccines are up-to-date regardless of your travel destination.

Vaccines to Consider

You may be at risk for these vaccine-preventable diseases while travelling in this country. Talk to your travel health provider about which ones are right for you.

Hepatitis A

Hepatitis A is a disease of the liver spread by contaminated food or water. All those travelling to regions with a risk of hepatitis A infection should get vaccinated.

Hepatitis B

Hepatitis B is a disease of the liver spread through blood or other bodily fluids. Travellers who may be exposed (e.g., through sexual contact, medical treatment or occupational exposure) should get vaccinated.


Seasonal influenza occurs worldwide. The flu season usually runs from November to April in the northern hemisphere, between April and October in the southern hemisphere and year round in the tropics. Influenza (flu) is caused by a virus spread from person to person when they cough or sneeze or through personal contact with unwashed hands. Get the flu shot.


Measles occurs worldwide but is a common disease in developing countries, particularly in parts of Africa and Asia. Measles is a highly contagious disease. Be sure your vaccination against measles is up-to-date regardless of the travel destination.

Yellow Fever Vaccination

Yellow fever is a disease caused by the bite of an infected mosquito.

Travellers get vaccinated either because it is required to enter a country or because it is recommended for their protection.

* It is important to note that country entry requirements may not reflect your risk of yellow fever at your destination. It is recommended that you contact the nearest diplomatic or consular office of the destination(s) you will be visiting to verify any additional entry requirements.
  • There is no risk of yellow fever in this country.
Country Entry Requirement*
  • Proof of vaccination is not required to enter this country.
  • Vaccination is not recommended.

Food and Water-borne Diseases

Travellers to any destination in the world can develop travellers' diarrhea from consuming contaminated water or food.

In some areas in the Oceanic Pacific Islands, food and water can also carry diseases like hepatitis A. Practise safe food and water precautions while travelling in the Oceanic Pacific Islands. Remember: Boil it, cook it, peel it, or leave it!


Insects and Illness

In some areas in the Oceanic Pacific Islands, certain insects carry and spread diseases like chikungunya, dengue fever, Japanese encephalitis, lymphatic filariasis and malaria.

Travellers are advised to take precautions against bites.

Dengue fever
  • Dengue fever occurs in this country. Dengue fever is a viral disease that can cause severe flu-like symptoms. In some cases it leads to dengue haemorrhagic fever, which can be fatal.  
  • Mosquitoes carrying dengue bite during the daytime. They breed in standing water and are often found in urban areas.
  • Protect yourself from mosquito bites. There is no vaccine available for dengue fever.



There is no risk of malaria in this country.


Animals and Illness

Travellers are cautioned to avoid contact with animals, including dogs, monkeys, snakes, rodents, birds, and bats. Certain infections found in the Oceanic Pacific Islands, like rabies, can be shared between humans and animals.


Person-to-Person Infections

Crowded conditions can increase your risk of certain illnesses. Remember to wash your hands often and practice proper cough and sneeze etiquette to avoid colds, the flu and other illnesses.

Sexually transmitted infections (STIs) and HIV are spread through blood and bodily fluids; practise safer sex.

Medical services and facilities

Medical services and facilities

For the latest Travel Health Notices and information on vaccinations, outbreaks and diseases, consult the website of the Public Health Agency of Canada.

The Agency strongly recommends that you consult with a travel medicine clinic or health care provider preferably six weeks before departure.

The Agency publishes travel health advice for Guam.

Keep in Mind...

The decision to travel is the sole responsibility of the traveller. The traveller is also responsible for his or her own personal safety.

Be prepared. Do not expect medical services to be the same as in Canada. Pack a travel health kit, especially if you will be travelling away from major city centres.

You are subject to local laws. Consult our Arrest and Detention FAQ for more information.


Sentences for the importation of narcotics and other illegal drugs are severe.

Customs authorities may enforce strict regulations concerning temporary importation into or export out of Guam of items such as fruit, vegetables and flowers, as well as poultry, meat products and livestock. For additional information, contact the Customs and Quarantine Agency.


Guam is subject to typhoons, especially in August. The rainy season extends from July to December. Keep informed of regional weather forecasts and plan accordingly.

Guam is located in an active seismic zone.

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