Takegashima hangs off the southern tip of Tokushima, joined to the mainland by a bridge. Fishing is the whole point of the place, but the reason visitors come is the water: a marine museum, a glass-bottom boat, sea kayaks and snorkelling over coral where clownfish live at the northern edge of their range.
- Area 1.30 km²; population 214Source: SHIMADAS (Japan Center for Island Studies), figures as printed
- Marine Jam (Kaiyō Town marine museum) with a glass-bottom boat and a small aquarium; closed TuesdaysSource: SHIMADAS / Kaiyō Town
- Local table: dried seafood, spiny lobster, abaloneSource: SHIMADAS

Photos: Takegashima, Kaiyō — ブルーノ via Wikimedia Commons, CC BY-SA 4.0 · Asa Coast Railway at Shishikui, the gateway to Takegashima — Ludger Heide via Wikimedia Commons, CC BY-SA 2.0
Getting there
Bus from JR Mugi Station about 40 min, or from Shishikui Station (Asa Coast Railway) about 9 min, to Takegashima.
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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.