Aqua World Ibaraki Prefectural Oarai Aquarium
Open by month
Open in January. No seasonal closure recorded. New Year (Dec 29 – Jan 3): open.
Open in February. No seasonal closure recorded.
Open in March. No seasonal closure recorded.
Open in April. No seasonal closure recorded.
Open in May. No seasonal closure recorded.
Partly closed in June: Maintenance closures for a few days each June and December.
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: Maintenance closures for a few days each June and December. New Year (Dec 29 – Jan 3): open.
Checked against the official site on 2026-10-12.
A large aquarium on the Oarai coast with about 580 species, known for its big shark collection, ocean sunfish and daily dolphin and sea lion shows.
Nearby
- Oarai Isosaki Shrine ≈ 10 min by car
- Nakaminato Fish Market ≈ 15 min by car
- Hitachi Seaside Park ≈ 25 min by car
- Kodokan (Mito Domain School) ≈ 30 min by car
- Art Tower Mito ≈ 35 min by car
Travel times are rough estimates by car.
- Closed or limited
- Maintenance closures for a few days each June and December
- Getting there
- About 20 min by Umimachi Line loop bus from Oarai Sta., or 7 min by bus from Nakaminato Sta.
- Fee
- 2,300 yen (children 1,100 yen)
- Good to know
- 9:00–17:00 (last entry 16:00)
- Time needed
- 2 h 30 min
Checked against the official Japanese website on 2026-10-12. Report outdated info