Yokosuka Travel Guide

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NEWS 2025.08.05

Sarushima Summer Time 2025: Evening Ferry Access to an Uninhabited Island

SARUSHIMA SUMMER TIME 2025

Extended Ferry Hours for Limited Days This Summer
July 19 (Sat) – August 24 (Sun), 2025

Twilight Adventures on an Uninhabited Island in Tokyo Bay

For 18 special days this summer—on weekends, holidays, and from August 12 to 15—ferry service to Sarushima will be extended into the evening.

During the SARUSHIMA SUMMER TIME period, the last return ferry will depart at 18:30.
This is a rare opportunity to enjoy the peaceful twilight hours on Tokyo Bay’s only natural island, featuring lush forest, scenic ocean views, and historical military ruins.

SUMMER TIME PASS: Special Discount Ticket

Passengers boarding from Mikasa Pier at 15:00 or later are eligible for an exclusive discounted ticket: the SUMMER TIME PASS.
Ideal for those who want to enjoy a slow afternoon or catch the sunset on the island.

・Adult: ¥1,500 (round-trip ferry ¥1,000 + island admission ¥500)
・Junior High School Student: ¥1,250 (ferry ¥1,000 + admission ¥250)
・Elementary School Student: ¥250 (ferry free + admission ¥250)
・Children under 6: Free

※ Children of elementary school age and younger ride free under the “Sarushima Kids Summer Campaign.”
※ The admission fee is collected by Yokosuka City.

▶ For details on how to purchase tickets, please visit the official website.

Event Information

・Event Period: July 19 (Sat) – August 24 (Sun), 2025
・Designated Days: Weekends, holidays, and August 12–15 (total of 18 days)
・Last Ferry Departure: 18:30 during the above period only
・Location: Sarushima Island, Yokosuka City, Kanagawa Prefecture

Extended Ferry Schedule (Summer Time Period Only)

During SARUSHIMA SUMMER TIME (weekends, holidays, and August 12–15), additional late-afternoon ferries operate between Mikasa Pier and Sarushima.

Final return ferry: 18:30 (from Sarushima)

The following departures are available:

From Mikasa Pier
・09:30 ・10:30 ・11:30 ・12:30 ・13:30 ・14:30 ・15:30
・16:00(additional) ・16:30 ・17:30(additional)

From Sarushima
・09:45 ・10:45 ・11:45 ・12:45 ・13:45 ・14:45 ・15:45
・16:15(additional) ・17:00 ・18:00(additional) ・18:30(final)

※ Ferry schedules may be suspended due to bad weather. Please check the official site for updates.

Contact Information

・Organizer: Triangle Co., Ltd.
・Phone: 046-825-7144 (available 9:00–17:00 JST)
・Website: https://sarushima.jp/

Important Notes

⚫︎ The extended ferry schedule and discounted ticket apply only on the designated 18 days.
⚫︎ Services may be canceled in case of rain, strong winds, or other weather-related issues.
⚫︎ Please check the latest ferry status on the official website before your visit.

Why You Shouldn’t Miss It

A visit to Sarushima during sunset is something truly special.
Whether you’re strolling through overgrown tunnels, relaxing by the water, or soaking in the evening sea breeze,
SARUSHIMA SUMMER TIME offers a peaceful and rare summer escape—just one hour from Tokyo.

Make this summer unforgettable with a twilight adventure on Japan’s only natural island retreat.

About Sarushima Island

Tokyo Bay’s only natural uninhabited island, Sarushima offers a unique escape just a 10-minute ferry ride from Mikasa Pier. Explore historic fortress ruins, enjoy outdoor activities like fishing and barbecue, or simply relax and take in stunning bay views.

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