Yokosuka's unique "local" cruise

Yokosuka Port has developed as a naval port since the landing of the U.S. Perry's fleet some 160 years ago. It is widely known as the port where the U.S. Navy facilities (Yokosuka Main Port) and the headquarters of the Japanese Maritime Self-Defense Force (Nagaura Port) were located.TRYANGLE Inc., a local cruse company, operates daily tours called “A CRUISE OF YOKOSUKA NAVAL PORT” to visit the above attractions.
A CRUISE OF YOKOSUKA NAVAL PORT is the only cruising tour in Japan that offers a close-up view of U.S. Navy and Maritime Self-Defense Force vessels.

* Routes are subject to change.


The overwhelming power of the Self-Defense Forces and the U.S. Navy seen from the sea.

There is a wide variety of ships that can be seen on A CRUISE OF YOKOSUKA NAVAL PORT. There are Maritime Self-Defense Force submarines and escort vessel, U.S. Navy Aegis warship and, by timing, aircraft carriers, icebreakers (Antarctic exploration ships), submarines, and more. Cruising with a close-up view of the harbor, which is different every day, is a unique attraction of Yokosuka!

*Please note that we do not maintain any information regarding the arrival and departure of vessels.

Watch the video

Tour description

The following is an overview of the process from ticket purchase to embarkation and return.

  1. 1

    The tour begins at the "Shioiri Terminal".

    The "Shioiri Terminal" is on the 2nd floor of Coaska Bayside Stores. Please purchase your boarding ticket here.
    Fully renovated in the spring of 2023 with a "ship's engine room" theme, this place was supervised by "Kamiya Design," which has designed restaurant scenes all over Japan.It was created in collaboration with "R," a company that handles objects for large-scale amusement facilities.
    At the entrance, a large painting "YOKOSUKA" by Masamichi Oikawa, who has been drawing the cover of "PIA" magazine for more than 30 years, will be on display.  Please enjoy a moment before boarding the ship with memories of the YOKOSUKA that Mr. Oikawa spent in his youth.

  2. 2

    Now it's time to board the ship!
    The overwhelming power of Self-Defense Force & U.S. Navy ships seen from the sea

    The ships that can be seen on A CRUISE OF YOKOSUKA NAVAL PORT are very diverse. There are Maritime Self-Defense Force submarines and destroyers, U.S. Navy Aegis ships, aircraft carriers, icebreakers (Antarctic exploration ships), submarines, and more, depending on the timing. Cruising around Yokosuka with an up-close view of the harbor, which is different every day, is a unique attraction of Yokosuka.

  3. 3

    A guide will give a thorough and informative explanation of the harbor scenery!

    On board A CRUISE OF YOKOSUKA NAVAL PORT, a dedicated cruise guide is always available to provide live onboard guidance, so even those who are unfamiliar with the ship can board without worry.
    45 minutes of the best of the best, led by a guide full of personality! The guides will explain the names and roles of the ships, as well as their history and sightseeing information, in an easy-to-understand manner.

  4. Souvenirs at the end of your trip.
    There is a wide variety of goods such as packaged ready-made curry of the Maritime Self-Defense Force!

    When you return to the Shioiri Terminal after your cruise, the souvenirs are available for purchase.
    In addition to popular products such as "Maritime Self-Defense Force Beer," a new product with an eye-catching label featuring a Maritime Self-Defense Force ship, "Cruise of Naval Port Rice Crackers", "Submarine-Shaped Ballpoint Pen," and "Yokosuka Navy Curry," local goods from Kure, Sasebo and Maizuru are also newly arrived. How about buying some of these rare items, which are hard to find elsewhere, as souvenirs?

About our tour boat

Sea Friend 7

Sea Friend 7 entered service in April 2016 and is the new flagship of A CRUISE OF YOKOSUKA NAVAL PORT.
The large first-floor cabin windows have special double-glazing to prevent fogging, and the second-floor deck has a roof to protect it from rain and direct sunlight to increase the comfort level dramatically. The red funnel (chimney) at the rear of the second floor is an eye-catching feature.

Full length
26.20 m
Full width
7.00 m
Draft (hull)
0.75 m
Gross tonnage
99 t
Passenger capacity
250 people in normal wave
Watch the video

Boarding Fare

General fares
General passengers
Free for children under elementary school age*
(more than 15 people)
Free for children under elementary school age*

※One child under elementary school age is free for each adult (if the number of adults exceeds the number of children, the elementary school age fee will be applied to the number of children).
● Up to 2 persons, including the holder of a "Disability Certificate," "Milairo ID," "Rehabilitation Certificate," or "A-Bomb Survivor Health Certificate," and one caregiver (12 years old or older, excluding elementary school student) may board at half of the regular fare or half of the elementary school student fare.

Tour boat timetable
(Duration of tour: approx. 45 minutes)

Scheduled services operated daily (except during maintenance periods)
10:00 (operated only on
Sat., Sun. & holidays)

※Extra ships may be operated during busy seasons.

For the above 5 services, the general public can make reservations from 6 months in advance to the day before the tour (subject to availability).
※Please note that baggage checks may be conducted in accordance with instructions from the police.
※The route is subject to change without notice due to construction or work by the Maritime Self-Defense Force or the U.S. Armed Forces.
※Extra ships may be operated depending on advance reservations and boarding conditions on the day.
※The service may be cancelled due to weather, sea conditions, port conditions, etc.
※Please be in the Shioiri Terminal area at least 15 minutes before boarding time (click here for access to the Shioiri Terminal).
※Even if the weather is fine on the day of the tour, day-of-boarding tickets may not be sold in the event of strong winds. Whether or not same-day tickets will be sold will be decided after 9:00 a.m.
※Shioiri Terminal is open from 10 a.m. to 7 p.m. (9 a.m. to 7 p.m. on Saturdays, Sundays, and holidays)
※In principle, inquiries regarding charter reservations will be responded to within 3 business days.
※No English-speaking guides are available.
※If you wish to board the ship with a wheelchair or a service dog, please make a reservation by phone (046-825-7144; Reservations are accepted until the day before the tour).


Approx. 5 minutes’ walk from Shioiri Station on the Keikyu Line
Approx. 15 minutes’ walk from Yokosuka Station on the JR Yokosuka Line

Adjacent parking lot also has parking capacity for approximately 1,380 vehicles
2-1-12 Honcho, Yokosuka City, Kanagawa Prefecture
※Please use this address, not the phone number, when entering the car navigation system.(Please note that if you enter a phone number, the system will set a different location.)

For access to "Coaska Bayside Stores", please click here.

By train

Approx. 5 minutes walk from Shioiri Station on the Keikyu Line
<About 30 minutes from Yokohama Station: Take the “TOKKYU” Limited Express train (direct) or the “KAITOKU” Limited Express train(change to the Local train at Kanazawa Hakkei Station)>
Or take the JR Yokosuka Line, get off at Yokosuka Station, and walk about 15 minutes.
<Approx. 45 minutes from Yokohama Station: take a direct train or change trains at Zushi Station>
★The Shioiri Terminal (ticketing office) has been changed to the 2nd floor of "Coaska Bayside Stores

By cars

Approximately 5 minutes from Yokosuka I.C. on the Yokohama-Yokosuka Road via Honcho, Yamanaka Road (please use the parking lot of "Coaska Bayside Stores")
For the parking lot of "Coaska Bayside Stores", click here.

2-1-12 Honcho, Yokosuka City 238-0041
※Please use this address instead of the phone number when entering the car navigation system. (Please note that if you enter a phone number, it will be set to a different location.)
※Parking at "Coaska Bayside Stores" may be crowded, so please allow plenty of time for your visit.