
Toshima is located in the Seto Inland Sea in Kagawa Prefecture, between Naoshima and Shodoshima. Its terraced rice paddies and farmland are nourished by the springs of Mt. Tanzan (Tanshan), creating an ecological foundation known as a "fertile island." After World War II, it became famous for its dairy industry, earning it the nickname "Milk Island." Within Toshima Ward is the renowned Ikebukuro area. Ikebukuro Station is a major commercial and transportation hub in northwest Tokyo, surrounded by high-rise commercial complexes and the renowned Ikebukuro North Exit Chinatown. 12
Art festival peak season (April-May in spring/September-November in autumn)
Why you should visit: The triennial Setouchi Triennale (reopening in spring 2025) activates installations across the island, adding limited-edition works and interactive experiences.
Natural bonus: In April, rape blossoms intertwine with the fresh green of terraced fields, and in September, rice paddies roll in. Riding on the sea view highway is like walking through an Impressionist painting.
Quiet shoulder season (June-August in summer/December-February in winter)
Summer: There are fewer tourists, so you can enjoy the Zen space of the Teshima Art Museum alone; but you should avoid typhoon days, as some boats may be suspended for 10 days.
Winter: The cool and lonely feeling enhances the artistic atmosphere. From Tuesday to Thursday, most art museums are closed, and only outdoor installations are open.
Lightning protection tips: The midday temperature in July and August is high (30℃+), and there is no shade when queuing in the art museum; the sea breeze is fierce in winter, so a windproof jacket of 610 is required.
In-depth analysis of must-see attractions: Five soul-stirring installations
1. Teshima Art Museum: Contemplation of the Universe in a Water Drop
 Design Secret: Ryue Nishizawa and Rei Naito created the "White Water Drop," with 186 holes seeping out underground water droplets, which flow naturally along the slope. The double holes in the dome bring in light from the sky and shadows from the clouds, allowing people to become spectators of the rhythm of nature. 178. 
Immersion Principle:
Buy tickets in advance from the official website (save 200 yen) to avoid the peak group tourist period from 11:00 to 14:00;
The attached cafe is a great place to take photos of the minimalist architecture. We recommend the lemon roll cake with the Setouchi Seaview 110.
2. Heart Sound Archive: Echoes of Ten Thousand Heartbeats.
 How to Play: Sit alone in a darkened listening room, where random heartbeats from around the world play, with incandescent lights flickering with the beats. Pay 1,540 yen to record a CD of your own heartbeat, which will be permanently archived in the museum. 
Bonus: Donor nameplates are engraved on the black sand beach outside the museum, and the tidal wash symbolizes the passage of life.
3. Toshima Yokokan: A Visual Explosion of Life and Death.
 A subversive renovation: Yuko Nagayama encases a century-old house in blood-red glass. Works by Tadanori Yokoo fill the main house and warehouse. The blood pond and black pagoda in the courtyard punctuate the theme of life and death. 
Photo spot: The red maple leaves in the rock garden and the reflections in the glass create a surreal collage. Wearing plain clothing is recommended to highlight the surroundings.
4. No One Wins · Multiple Hoops: A Utopian Design Philosophy Where Everyone Wins
 : A Spanish artist created six high and low hoops, breaking the rules of competition. Free basketballs are available at Tangqi Port, allowing children and the elderly to shoot hoops together. 
Best time: One hour before sunset, when light and shadows slant across the basketball court, and the Seto Inland Sea shimmers golden in the background.
5. Whispering Forest:
 A Secret Experience: 400 wind chimes hang in the forests of Tanzan, their gentle breezes evoking the whispers of departed spirits. For 5,000 yen, engrave your beloved's name tag to remain in the forest, becoming part of Boltanski's "Unfinished Work."
Toyoshima is a small Japanese island known for its natural landscapes, coastal beauty, and traditional local culture. It holds historical significance with small shrines and old community structures reflecting the island’s heritage.
Toyoshima is located off the coast of Japan. Visitors can reach the island by ferry from nearby mainland ports. On the island, walking, bicycles, or local taxis are the primary ways to explore.
The island is accessible year-round. The best times to visit are spring and summer (April to September) for mild weather, clearer skies, and outdoor activities.
There is no general entrance fee for the island itself. Ferry tickets can be purchased online or at the ferry terminal.
For ferry rides, it is recommended to book at least a few days in advance during peak season. No advance booking is needed for general island exploration.
1–2 days are sufficient to explore main areas, walk trails, visit shrines, and enjoy beaches.
Guided tours may be limited and usually offered in Japanese. Self-guided exploration is common, with some signage in English.
Start at the ferry terminal, explore nearby villages and shrines, walk coastal trails, visit beaches, then circle back through inland trails for panoramic viewpoints.
Night visits are limited due to minimal infrastructure. Special local festivals or community events may occasionally occur.
The island is generally quiet. Least crowded times are weekdays outside national holidays and peak summer weeks.
Basic facilities include public toilets, small cafes or food stalls, rest areas, and local souvenir shops.
Main village areas and some beaches are accessible, but trails and cliff areas may be challenging for elderly or disabled visitors.
Cash is recommended for small shops and local vendors. Larger businesses may accept cards.
Vegetarian options are limited; vegan or halal options may require prior request or preparation.
Souvenirs include local crafts, small seafood products, handmade goods, and postcards.
Return by ferry to the mainland, then use trains, buses, or rental cars to reach other destinations in Japan.