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A rocky shoreline with large white boulders, blue ocean waves, and a steep, green-covered hill rising in the background under a clear blue sky.
A coastal fishing village sits on a peninsula surrounded by blue sea, with fish farms in the water and green hills in the background. Several islands are visible under a clear, sunny sky.
A clear blue ocean with floating fish farms, a sandy beach, large rocks, and green hills in the background under a sunny sky.
A scenic coastline with lush green hills meeting the deep blue sea, waves crashing against rocky cliffs, and mountains visible in the background under a clear sky. Some red and green foliage appears in the foreground.
A small fishing boat floats on clear turquoise water in a harbor, with rocky shores, parked cars, and houses in the background, surrounded by green hills and a partly cloudy sky.
A rocky shoreline with large white boulders, blue ocean waves, and a steep, green-covered hill rising in the background under a clear blue sky.
Kochi

Kashiwajima (Kashiwa Island)

Sublocality Level 2SublocalityPolitical
Last updated May 29, 2026

Kashiwajima, also known as Kashiwa Island, is a hidden gem in Kochi Prefecture, Japan, perfect for those seeking tranquility and adventure. With a circumference of just 4 kilometers, this small island boasts some of Japan's most transparent waters, making it a paradise for divers and snorkelers.

The vibrant coral reefs around the island host an astonishing variety of marine life, with up to 1,000 species of fish, offering an underwater spectacle for beginners and seasoned divers. The island is connected to the mainland by two bridges, making it easily accessible while providing a secluded feel.

Visitors can explore the island's natural beauty, from the sheer cliffs and mountainous terrain to the white sandy beaches perfect for relaxing. The Odo Observatory provides breathtaking panoramic views of the island and its aquaculture farms, adding to this destination's unique charm.

For those who prefer staying above water, kayaking and stand-up paddleboarding are popular activities. These activities allow you to glide over the mirror-like surface of the sea. Whether exploring underwater wonders or enjoying the island's serene landscapes, Kashiwajima promises a memorable escape.

Plan your visit now to experience the unparalleled beauty and tranquility of Kashiwajima​.

Hours

Open 24 hours

Closed

No closing days

Available

All year

Minimum Age

All ages are welcome

Admission Fee

No particular fee

Overview

Address
Kashiwajima, Otsuki, Hata District, Kochi 788-0343, Japan

Places & attractions near Kashiwajima (Kashiwa Island)

A white lighthouse stands atop a rocky, green cliff overlooking a vast, blue ocean with scattered rocks and gentle waves under a partly cloudy sky.

Cape Ashizuri

A cityscape featuring a wide river with two modern arch bridges, lined by buildings and high-rises on both sides, and tree-covered hills in the background under a clear sky.

Kagami River

A museum exhibit room with glass display cases holding artifacts, documents, and photos. Informational panels and historical items are showcased on walls and in cabinets. The word "Learn" appears in large text at the bottom left.

Ino-cho Paper Museum

A sunny park scene with a dirt path, blooming cherry blossom trees, green shrubs, pine trees, and wooden benches under a clear blue sky.

Godaisan Park

Places & attractions near Kashiwajima (Kashiwa Island)

A white lighthouse stands atop a rocky, green cliff overlooking a vast, blue ocean with scattered rocks and gentle waves under a partly cloudy sky.

Cape Ashizuri

A cityscape featuring a wide river with two modern arch bridges, lined by buildings and high-rises on both sides, and tree-covered hills in the background under a clear sky.

Kagami River

A museum exhibit room with glass display cases holding artifacts, documents, and photos. Informational panels and historical items are showcased on walls and in cabinets. The word "Learn" appears in large text at the bottom left.

Ino-cho Paper Museum

A sunny park scene with a dirt path, blooming cherry blossom trees, green shrubs, pine trees, and wooden benches under a clear blue sky.

Godaisan Park

Frequently Asked Questions

Kashiwajima is located at the southwestern tip of Kochi Prefecture and is accessible by car or public transportation. Two bridges connect the island to the mainland. It is about a 2-hour drive from Shimantocho-chuo IC on the Kochi Expressway. Public transport options include a bus from Sukumo to Kashiwajima, which takes approximately an hour.

Kashiwajima is renowned for its diving and snorkeling opportunities. Clear waters and vibrant coral reefs are home to around 1,000 fish species. Visitors can also enjoy kayaking, stand-up paddleboarding, and exploring the island's beaches. The Odo Observatory offers stunning panoramic views of the island.

There are various accommodations on and near Kashiwajima, including hostels and capsule hotels. Options include Kashiwa Village, which offers affordable places to stay for overnight visits.

The best time to visit Kashiwajima is during the warmer months, typically from late spring to early autumn when the weather is ideal for water activities and exploring the island's natural beauty.

Absolutely. Kashiwajima offers diving experiences for beginners, with instructors available to guide and ensure safety. The clear and calm waters make it an excellent spot for novices to enjoy underwater activities.
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