Seto Inland Sea: Islands, Art & Cycling
Region Guides 7 min read

Seto Inland Sea: Islands, Art & Cycling

The Seto Inland Sea

The Seto Inland Sea (Setouchi) separates Honshu from Shikoku, dotted with over 3,000 islands ranging from thriving art destinations to abandoned fishing villages. The sea's calm waters, mild climate, and island-hopping ferry network create one of Japan's most unique travel experiences. Since the Setouchi Triennale art festival launched in 2010, formerly declining islands have been transformed by world-class contemporary art installations. Beyond art, the region offers Japan's finest cycling route, fresh seafood, citrus groves, and a Mediterranean-like atmosphere unlike anywhere else in Japan.

Tip: The Setouchi Triennale runs every 3 years (next: 2028) but permanent art installations on Naoshima and Teshima are open year-round — you don't need to wait for the festival.

Naoshima: Art Island

Naoshima is the Setouchi art scene's crown jewel. Yayoi Kusama's Yellow Pumpkin on the pier is iconic (though it washed away in 2021 and was replaced). The Benesse House Museum (¥1,050) integrates art into architecture with ocean views. Chichu Art Museum (¥2,100, advance booking required) is Tadao Ando's underground masterwork housing Monet Water Lilies, James Turrell light installations, and a Walter De Maria sculpture. The Art House Project (¥1,050 combo ticket) places contemporary art inside abandoned village houses. Rent a bicycle (¥500/day) to explore — the island is small and flat.

Tip: Book Chichu Art Museum tickets at least 2 weeks ahead online — walk-in tickets rarely available. Morning slots (10-11am) have the best natural light for the Monet room.

Teshima & More Islands

Teshima is smaller and quieter than Naoshima. The Teshima Art Museum (¥1,570) is a single concrete shell open to the sky, with water droplets emerging from the floor and rolling across the surface — minimalist and mesmerizing. Les Archives du Coeur (¥520) by Christian Boltanski records and plays back visitors' heartbeats in a seaside room. Shodoshima is the largest art island with olive groves, soy sauce factories, and the Angel Road sandbar (walkable at low tide). Inujima (30 min from Naoshima) has a refinery-turned-museum (¥2,100) and open-air art gardens.

Tip: Teshima Art Museum closes on Mondays and Tuesdays, and limits visitors to small groups — arrive for the first ferry to secure morning entry without extended waits.

Shimanami Kaido Cycling

The Shimanami Kaido is a 70km cycling route connecting Onomichi (Hiroshima) to Imabari (Ehime/Shikoku) across six islands via dedicated cycling lanes on spectacular suspension bridges. It's frequently ranked among the world's top cycling routes. Rental bikes are available at terminals on both ends (¥1,100/day with ¥1,100 deposit, one-way drop-off available). Average cyclists complete the route in 6-8 hours. Each island has cafes, beaches, and viewpoints. Recommended stops: Innoshima (rural temples), Ikuchijima (lemon groves, Kosanji Temple), and Oshima (dramatic bridge views from Yoshiumi Roses Park).

Tip: Start from Onomichi heading toward Imabari — the prevailing wind is at your back, and the first few islands are the most scenic. Book a hotel in Imabari for the night.

Getting Around the Inland Sea

Ferries are the lifeline. Naoshima: ferry from Uno Port (20 min, ¥300) — reached from Okayama by JR (50 min, ¥590). Or from Takamatsu (60 min, ¥530). Teshima: ferry from Uno or Naoshima (25-35 min, ¥800). Shodoshima: ferry from Takamatsu (60 min, ¥700). Island-hopping routes connect most art islands — check Shikoku Kisen and Uno Port schedules. The Setouchi Ferry Passport (¥2,500/3 days during Triennale) covers multiple island ferries. From Tokyo, fly to Takamatsu (80 min, ¥15,000) or take shinkansen to Okayama (3.5 hours, ¥17,000) as your base.

Tip: Ferry schedules are limited (often just 4-5 boats daily per island) — download timetables before visiting and plan your day around ferry times, not the other way around.