Senkaku Bay (Sado)
Open by month
Partly closed in January: Agejima Yuen hours from December to February are announced separately.
Partly closed in February: Agejima Yuen hours from December to February are announced separately.
Open in March. No seasonal closure recorded.
Open in April. No seasonal closure recorded.
Open in May. No seasonal closure recorded.
Open in June. No seasonal closure recorded.
Open in July. No seasonal closure recorded.
Open in August. No seasonal closure recorded.
Open in September. No seasonal closure recorded.
Open in October. No seasonal closure recorded.
Open in November. No seasonal closure recorded.
Partly closed in December: Agejima Yuen hours from December to February are announced separately.
Checked against the official site on 2026-10-12.

Five small bays along about 3 km of Sado's northwest coast, lined with sharp cliffs around 30 m high; a viewing park and glass-bottom boats show them best.
Nearby
- Sado Gold Mine ≈ 20 min by car
- Kitazawa Flotation Plant Ruins ≈ 20 min by car
- Sado Magistrate's Office (Sado Bugyosho) ≈ 25 min by car
- Toki Forest Park (Sado) ≈ 40 min by car
- Nishimikawa Gold Placer Site (Sado Nishimikawa Gold Park) ≈ 50 min by car
Travel times are rough estimates by car.
- Closed or limited
- Agejima Yuen hours from December to February are announced separately
- Getting there
- About 60 min by car from Ryotsu Port; Agejima Yuen is 1 min from the Senkakuwan Agejima Yuen bus stop (Kaifu Line)
- Fee
- Agejima Yuen park ¥600, children ¥400; glass-bottom boat extra
- Good to know
- Agejima Yuen is open 8:30-17:00 (Mar-Apr and Oct), to 17:30 (May-Sep) and to 16:30 (Nov). Opening days and hours for December to February are announced on the official website, so check before you go. In winter 2025-26 it opened only on weekends and public holidays, 8:30-16:30.
- Time needed
- 1 h
Checked against the official Japanese website on 2026-10-12. Report outdated info