Local Secret · Yokosuka
Sarushima Island 猿島
Uninhabited island 10 minutes by ferry from Yokosuka, with moss-covered Meiji-era fort tunnels and a beach.
Getting thereYokosuka-Chuo Station (Keikyu), 15 min to Mikasa pier, then ferry
Time neededHalf day
AddressSarushima, Yokosuka, Kanagawa
About
Sarushima is the largest natural island in Tokyo Bay. Its forested interior hides brick tunnels and gun emplacements built for Tokyo Bay's defense from the Meiji era, often compared to a Ghibli scene, and the shore has a small swimming beach and BBQ spots.
Highlights
- Brick fort tunnels from the Meiji era
- Only natural island in Tokyo Bay
- Swimming and BBQ in summer
- 10-minute ferry ride
Tips
- Ferries from Mikasa Park pier; round trip plus island entry fee
- Last boat is mid-afternoon in winter
Open in Google Maps · Info checked 2026-10-11
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Open in the appNearby
- YOKOSUKA Naval Port TourBoat Rentals & Cruises · 2.6 km away
- Mikasa ParkPark · 2.7 km away
- Kinugasayama ParkPark · 5.1 km away
- Kannonzaki ParkBeach & Waterfront · 5.5 km away
- Yokohama Hakkeijima Sea ParadiseTheme Park · 7.2 km away
- Umi no Koen (Yokohama Seaside Park)Beach & Waterfront · 8.0 km away
- Bledor Hayama hontenBreakfast & Brunch · 9.7 km away
- Tateishi ParkBeach & Waterfront · 10.1 km away