Sarushima Island: Nature and History in Tokyo Bay

Sarushima is the only natural island in Tokyo Bay, offering seasonal outdoor activities such as fishing, swimming, and barbecue. The island is also home to valuable historical remains, including fortress-era structures and a battery site recognized as both a National Historic Site and a component of Japan Heritage.

Sarushima Island: Nature and History in Tokyo Bay

Sarushima is the only natural island in Tokyo Bay, making it one of Yokosuka’s most unique sightseeing spots. Surrounded by sea and greenery, the island offers a refreshing escape from the city and invites visitors to enjoy a different side of the bay.

Throughout the four seasons, Sarushima is a popular place for outdoor activities such as fishing, swimming, and barbecue. Whether you want to spend a relaxing day by the water or enjoy an active outing with friends and family, the island offers a memorable nature experience close to the city.

Sarushima is also a place where visitors can feel the weight of history. The island preserves valuable historical remains, including fortress-era buildings and a battery site that has been designated a National Historic Site and recognized as a component cultural property of Japan Heritage. Walking through these ruins, visitors can experience a rare atmosphere where nature and military history exist side by side.

With its mix of scenic beauty, leisure, and historical significance, Sarushima is a destination that captures the spirit of Yokosuka in a truly special way.