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Lonely Island
Atlas/oceania-pacific/Deep field file

Signal verified · updated 2026-09-03

Guam

Largest Micronesian island and major US territory; Chamorro heritage, Tumon Bay resorts and WWII historic parks.

13.440° N144.790° E
site access marine
Antonio B. Won Pat International (GUM)
Tumon Bay
Two Lovers Point
War in the Pacific National Historical Park
Formation
volcanic south, uplifted limestone north; fringing and barrier reefs
Population
153,836
Water
Pacific Ocean
Access
easy

Every required movement

The passage
to Guam.

Fly to Antonio B. Won Pat International (GUM) from Tokyo, Osaka, Seoul, Manila, Honolulu and island hoppers.

  1. 01
    Antonio B. Won Pat International (GUM)

    Nearest recorded air access

    Schedule or condition may change · verify
  2. 02
    Water crossing

    No regular passenger ferries; cruise ships call at Apra Harbor; Guam–Rota/CNMI by air.

    Schedule or condition may change · verify
  3. 03
    Entry check

    US immigration rules plus Guam-CNMI Visa Waiver Program for listed nationalities.

    Schedule or condition may change · verify

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What the chart cannot hold

What becomes visible when you follow tumon bay beyond the familiar map?

Southernmost Mariana island, settled by Chamorros from ~1500 BCE. Sighted by Magellan (1521), Spanish 1565–1898, US from 1898 (Treaty of Paris), Japanese occupation 1941–44, retaken 1944. Hub of western-Pacific air routes.

Ancient Chamorro latte society; Magellan 1521; Spanish colony 1565–1898; US territory 1898–1941; Japanese occupation 1941–44; Battle of Guam 1944; Organic Act 1950 grants citizenship.

Field ledger

The useful
details.

Coordinates
13.44° N · 144.79° E
Sovereignty
United States · overseas territory
Nearest mainland
Philippines (~2,500 km west); Japan (~2,500 km north)
Best recorded window
January–May (dry season).
Permits / entry
US immigration rules plus Guam-CNMI Visa Waiver Program for listed nationalities.
Languages
English, Chamorro

Community intelligence

Notes from
the crossing.

Share firsthand conditions, access changes, respectful observations, or a question for someone who has been.

No traveler has left a public note here yet.

The empty ledger is part of the mystery—and an invitation to be useful.

Travel information changes quickly. This field file was last revised 2026-09-03. Confirm all transport and permit details before booking.

Official source