Shimadajima lies in Naruto’s inland sea a few minutes from the Ōnaruto Bridge, but it is a different world: lotus fields, an old shrine festival where the portable shrine is carried into the sea, and almost no visitors. The expressway crosses it, so you can reach it by car — or take the four-minute ferry from Dōnoura.
- Area 5.72 km²; population 430Source: SHIMADAS (Japan Center for Island Studies), figures as printed
- Ferry from Dōnoura about 4 min, 10 sailings a day; also reachable by road via Naruto-kita ICSource: SHIMADAS / Naruto City
- Specialties: lotus root and ancient-variety rice; Awai Shrine autumn festival on 16 OctoberSource: SHIMADAS

Photos: Shimadajima from Horikoshi Bridge — overtimes via FIND/47, CC BY 4.0 · Naruto’s inland sea — Toto-tarou via Wikimedia Commons, CC BY-SA 4.0
Getting there
From Naruto: car via Naruto-kita IC, or bus/taxi to Dōnoura and the 4-minute ferry.
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Data: GBIF occurrence records for Tokushima (GADM JPN.40_1), year 2024, as compiled on NihongoHub Wildlife.
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Links marked PR are affiliate links: if you book through them we may earn a commission at no extra cost to you. Facts carry their source next to them; island figures are as printed in SHIMADAS and may predate your visit. Map: Geolonia (MIT); embedded map © Google.