
Guide
Yokosuka Naval Port Cruise
8 min readOverview & Highlights
The Yokosuka Naval Port Cruise is the only cruising tour in Japan set against the backdrop of Yokosuka Port in Kanagawa Prefecture. This area is a world-renowned international naval hub, home to both the US Navy's base (Yokosuka Main Port) and the Japan Maritime Self-Defense Force (JMSDF) headquarters (Nagura Port). On this tour, you can observe US Navy and JMSDF vessels from a close distance, experiencing the sheer scale and power of large warships passing through the water. The route offers a unique perspective on the daily life of a major international naval port that is rarely seen from land.
History & Cultural Background
Yokosuka Port has a rich history as a naval port, developing significantly since the arrival of the US fleet approximately 160 years ago. The coexistence of the US Navy base and the JMSDF headquarters makes this area a symbolic location for international naval culture in Japan. The scenery of this historic port is a distinctive feature found only in this region.

Main Attractions
The highlight of this tour is the diverse array of vessels visible from the sea. Depending on the timing, you may see JMSDF destroyers, submarines, or US Navy Aegis combat systems. Occasionally, even aircraft carriers or icebreakers may appear, ensuring that the scenery changes with every visit. Watching these massive vessels navigate the harbor is a truly powerful and breathtaking experience.
Seasonal & Time-Specific Recommendations
The scenery within the naval port changes daily depending on the types of ships currently docked or passing through. If you are specifically hoping to see certain vessels like aircraft carriers or icebreakers, it is highly recommended to check the operational status in advance. While the cruise operates daily regardless of the season, please note that the density of visible ships may vary based on weather and sea conditions.

Experience & Activities
During the cruise, a dedicated "Naval Port Guide" provides live commentary. The guide explains the names and roles of the ships, as well as the history of the port and other local sightseeing information. This ensures that even those without any maritime knowledge can deeply enjoy and understand the significance of the cruise. It is designed not just as a transit, but as an educational and immersive experience.
Surrounding Area
The boarding point is the Shioiri Terminal. This terminal features a unique design themed around a ship's engine room, providing a great place to spend time before boarding. The surrounding area also offers a chance to experience the local culture of Yokosoka alongside the striking naval port scenery.

What to Bring, Clothing & Etiquette
As this is a cruise on the open sea, please prepare according to the weather and sea conditions.
- Payment: Cash or credit cards (Visa, MasterCard, etc.) are accepted.
- English Support: While professional guides provide commentary, please check the official website for the current availability of English-language support.
- Reservations: Please refer to the official website regarding reservation requirements and real-time availability.
- Clothing: Since you will be moving on the sea, we recommend clothing that can handle changes in wind and temperature. Comfortable, non-slip shoes are also recommended.
- Photography: While photographing vessels is generally permitted, please strictly follow local instructions regarding any restrictions or rules related to military facilities.
- Accessibility: The boarding area is equipped with wheelchair-accessible entrances.
- Etiquette: Please note that specific schedules for ship arrivals and departures are not public information; please enjoy the cruise without expecting specific vessel movements.