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Welcome to Fleet Activities Yokosuka

An installation community that attracts the best Sailors and civilian employees to serve in Japan with their families.

Installation Information

Fleet Activities, Yokosuka comprises 568 acres and is located 43 miles south of Tokyo at the entrance of Tokyo Bay and approximately 18 miles south of Yokohama. Yokosuka is on the Miura peninsula in the Kanto Plain region of the Pacific Coast in Central Honshu, Japan. CFAY is the largest overseas U.S. Naval installation in the world and is considered to be one of the most strategically important bases in the U.S. military.

Gate Hours | Phone Directory | Visitor Control Center | Welcome Aboard | Airport Shuttle Sign Ups for Narita and Haneda 
| CFAY Housing | Fleet and Family Readiness | MWR Yokosuka


Off-limit Establishments in the Vicinity of CFAY 

Empire Lounge Bar: Saito Bldg. 5F, 3-13-8, Roppongi Minato-ku, Tokyo, Japan

Vibrations Bar: 3 Chome-11-6 Roppongi, Minato, Tokyo, Japan 106-0032

Mona's Bar: 2-20 Honcho, Yokosuka, Kanagawa 238-0041

Night Club: Kanashiro Bldg 2F, 1-14 Kabuki-cho, Shinjuku ward, Tokyo, Japan

Bar 894: 1 Chome-4 Wakamatsucho Yokosuka city, Kanagawa Prefecture Japan

Club 54: 1 Chome-8-4 Honcho, Yokosuka, Kanagawa

Computer Desktop Notification System (CDNS)

CDNS is short for Computer Desktop Notification System. CDNS is the system used by shore commands to provide simultaneous emergency notifications to OneNet computer desktops, as well as home, work and mobile email and telephones.

CDNS REGISTRATION FORM This form will allow personnel and authorized dependents to be registered in the Fleet Activities Yokosuka Emergency Mass Notification and Warning System. This system will help CFAY communicate with all personnel during ROM and provide important information about testing as well as keep you informed of any emergency situations.

Once filled out please email the form to with the subject line of CDNS Form Excel.

Computer Desktop Notification System (CDNS) AtHoc Self Service User Guide (CAC Card Required)

コンピュータ・デスクトップ・通知システム(CDNS) セルフサービス・ユーザー・ガイド

If you or someone you know is experiencing a crisis, please reach out to these 24-hour resources below:

Duty Chaplain Line: 080-5016-6836

Military One Source: 1-800-342-9647

Suicide Prevention Line: 1-800-273-8255 dial 1


Veterans Crisis Line

Navy Region Japan

NAF Atsugi        NSF Diego Garcia        NAF Misawa        CFA Okinawa        CFA Sasebo


News from around CFA Yokosuka


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Commander, Navy Region Japan Commander, U.S. Naval Forces Japan   |   PSC 473 Box 12   |   FPO AP, 96349-0001
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