Johnston Atoll (US) / Baker Island
Johnston Atoll (US)
Explore Remote Johnston Atoll: A Hidden Pacific Outpost
Johnston Atoll is a secluded group of four islands nestled in the central Pacific Ocean, approximately 750 nautical miles southwest of Hawaii. Surrounded by vibrant turquoise waters and extensive coral reefs, the atoll is a haven for seabirds and marine wildlife. Once a strategic military and scientific site, today it remains uninhabited, with restricted access, making it one of the most isolated territories under U.S. administration. What makes Johnston Atoll truly unique is its untouched natural environment and its storied past as a site for military operations, weapons testing, and later environmental rehabilitation. While travel here is not available to the general public, the atoll is of keen interest to historians, ecologists, and adventurers fascinated by remote Pacific history and conservation efforts.
Safety
Access to Johnston Atoll is strictly controlled, with no public facilities or emergency services available. Only authorized personnel may visit, and all activities are governed by U.S. Fish and Wildlife Service regulations.
Visas
Johnston Atoll follows U.S. entry laws. However, all access requires special clearance from U.S. authorities beyond standard visa requirements.
Customs regulations
Leave-no-trace principles are strictly enforced to protect fragile ecosystems. Removing artifacts or disturbing wildlife is prohibited. All waste must be packed out.
Prices
There are no commercial services or travel costs, as general tourism is not permitted. Authorized visits are typically government- or research-funded, with all logistics arranged in advance.
People and nationalities
There is no permanent population on Johnston Atoll. In the past, it hosted U.S. military and contract personnel, but today only occasional scientific or maintenance teams are permitted. Visitors must adhere strictly to protocols due to environmental sensitivity and historic contamination.
Weather
Johnston Atoll experiences a tropical climate, with warm temperatures and high humidity year-round. Rainfall is moderate, peaking between June and October. The best (and only) times for authorized visits are during the dry season, when weather conditions are most stable.
Health
There are no medical facilities on the atoll. Visitors must bring their own medical supplies and have evacuation plans in place for emergencies.
Food
Field Rations (MREs)
Due to the absence of facilities, all food on Johnston Atoll consists of pre-packaged field rations or Meals Ready-to-Eat (MREs), brought in by visiting personnel.
Canned Goods
Non-perishable canned foods are standard for any authorized workers or researchers, as there are no local sources of fresh produce or cooking facilities.
Bottled Water
All drinking water must be imported, as there is no potable water source on the atoll.
Transport
Chartered Aircraft
Access to Johnston Atoll is generally via chartered aircraft from Hawaii or other Pacific locations, landing on the atoll’s former airstrip (now rarely used and in limited condition).
Private Vessel (Authorized Only)
Occasional supply or research vessels may dock at the atoll’s small pier, but all maritime access requires government approval.
On-Foot Exploration
All movement on the atoll is on foot, as the area is small and motor vehicles are rarely available or necessary.
Regions
Baker Island (US)
Unincorporated Territory
Howland Island (US)
Unincorporated Territory
Jarvis Island (US)
Unincorporated Territory
Johnston Atoll (US)
Unincorporated Territory
Kingman Reef (US)
Unincorporated Territory
Midway Islands (US)
Unincorporated Territory
Navassa Island (US)
Unincorporated Territory
Palmyra Atoll (US)
Unincorporated Territory
Wake Island (US)
Unincorporated Territory
What to visit?
History
Johnston Atoll was discovered by Captain Charles J. Johnston of the HMS Cornwallis.
The United States claimed Johnston Atoll under the Guano Islands Act, initiating guano mining operations.
President Franklin D. Roosevelt placed the atoll under U.S. Navy control, marking the beginning of military development.
The atoll was expanded and fortified as an airbase during World War II, serving a strategic role in the Pacific theater.
Johnston Atoll became a site for high-altitude nuclear testing as part of Operation Hardtack and later Operation Dominic.
The Starfish Prime nuclear test caused significant radioactive contamination, influencing future environmental safety practices.
The U.S. Air Force assumed administrative control, continuing its use for weapons storage and disposal.
The atoll's chemical weapon disposal facility was closed, and the site began transitioning to a wildlife refuge.
Activities
Wildlife Observation
Authorized researchers can study nesting seabirds, sea turtles, and the atoll’s rich marine life in its pristine, undisturbed habitat.
Coral Reef Surveying
Marine biologists may conduct underwater surveys of the extensive coral reefs that surround the atoll.
Historical Site Exploration
Explore remnants of military infrastructure and interpret the atoll’s complex history through environmental and structural remains.
Photography
Capture rare shots of remote Pacific scenery, abundant wildlife, and the stark contrast between natural beauty and historic facilities.