Fly into Antonio B. Won Pat International Airport with nonstop routes from Japan, Korea, the Philippines, Micronesia, and U.S. hubs via Honolulu. Complete the Guam Electronic Declaration Form before arrival. Direct flights connect Tumon hotels to the airport within a short drive.

Primary gateway for Guam with regional and trans Pacific links. Terminals sit between Tamuning and Barrigada near the hotel district.

Buses: Guam Regional Transit Authority operates limited fixed routes roughly 05:30 to 19:30 Monday to Saturday with no Sunday service.
Ride hailing: Stroll Guam app provides on demand rides across the island.
Car rental: Easiest way to reach dive marinas and southern villages.
Taxis: Available at the airport and major hotels.

Entry requirements mirror other U.S. destinations. All arrivals must complete the Guam Electronic Declaration Form. Nationals of eligible countries may use the Guam CNMI Visa Waiver Program for stays up to 45 days with the new G CNMI ETA. U.S. travelers flying domestically must carry acceptable REAL ID compliant identification per TSA effective May 7, 2025. Always review official guidance before travel.

Daily dive boats and training are offered by MDA Guam and Guam Tropical Dive Station.
Nitrox and standard aluminum 80s are common. Bring an SMB for open water ascents.
Use moorings where provided and avoid anchoring on coral.
Rinse tanks and storage are available at major shops. Confirm space for long freedive lines on charters.

USD is legal tender. Cards are widely accepted in Tumon and resorts. Carry small cash for food stands and village shops.

ATMs are common in Tumon malls and near hotels. Remote villages have fewer options.

Same as mainland U.S. Standards. Bring surge protection during storm season.

Communications

U.S. carriers roam. Local providers include Docomo Pacific and GTA with widespread 4G and 5G around Tumon and Hagatna. eSIMs are available at the airport and malls. Coverage can drop in remote northern cliffs and southern valleys.

Language

English and Chamorro are official. Basic Chamorro greetings are widely appreciated in village shops.

Insurance

Carry primary travel medical plus DAN for diving. Confirm that policies cover hyperbaric treatment and storm related delays.

Packing list

3 mm wetsuit or skins and booties
SMB, whistle, and small torch
Reef safe sunscreen and sun hoody
Light rain shell for summer squalls
Mosquito repellent for jungle walks
Dry bag for boat rides

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