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Logistics · Destination Guide

Guam Usa

Wrecks from two world wars, a heart shaped blue hole, and tropical walls in the Western Pacific

Updated Oct 30, 2025 • 34 sources

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Logistics

Use this travel brief to set arrival flow, local transit, and gear movement before you lock your itinerary.

Quick Facts

  • Primary airport: Antonio B. Won Pat International Airport (GUM)
  • Typical transfer: 10 km drive
  • Entry requirement: Entry requirements mirror other U.S.
  • Getting around: Buses: Guam Regional Transit Authority operates limited fixed routes roughly 05:30 to 19:30 Monday to Saturday with no Sunday service.

Getting There

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.

Airports

1

Antonio B. Won Pat International Airport

GUM • PGUM

5 km • 10 km drive

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

Transport: Hotel shuttles, Metered taxis, Car rentals, Stroll Guam ride hailing

Getting Around

  • 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

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.

Gear Logistics Checklist

  • 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.

Practicalities

Currency

United States Dollar (USD)

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.

Electricity

120V • 60Hz • A, B

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