Kanto · Kanagawa · Oiso
Oiso Prince Hotel
Oiso Long Beach summer complex: ~500 m outdoor lazy river (流れるプール) plus wave pool, kids paradise, and ~140 m tube waterslides.
🗼 Kanto · Chiba
Ryugujo Spa Hotel Mikazuki
龍宮城スパ・ホテル三日月
Indoor Aquapark flowing pool + waterslides year-round; summer Garden Pool adds ~250 m outdoor lazy river with night water shows. Tokyo Bay infinity pool views.
IndoorOutdoorYear-round orientedAd
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Lazy river & stay facts
- Indoor
- Yes
- Outdoor
- Yes
- Year-round
- Year-round oriented
- Age / limits
- Mixed ages; check slide height limits. Kids pools in garden zone.
- Swim diaper OK
- unknown
- family
- lazy-river
- indoor-rainy-day
- summer
- onsen
Notes & caveats
- Outdoor ~250 m river is summer-only; indoor flowing pool is the year-round option.
- Busy weekends—arrive early for pool space.
Location & sources
Chiba · Kisarazu
Meal tags: dinner / breakfast
Sources
Hours and fees change. Always confirm on the official site. We do not invent prices or star ratings.
FAQ
Q. Does Ryugujo Spa Hotel Mikazuki have a lazy river or flowing pool?
A. Indoor Aquapark flowing pool + waterslides year-round; summer Garden Pool adds ~250 m outdoor lazy river with night water shows. Tokyo Bay infinity pool views.
Q. Is it indoor or year-round?
A. There is year-round or indoor equipment (excluding maintenance/closures). Always confirm on the official site.
Q. Any age or height notes?
A. Mixed ages; check slide height limits. Kids pools in garden zone.
Q. How much does it cost?
A. We do not list prices here (they change often). Check Booking.com, Agoda, or the hotel’s official site for live rates.
More in Kanto
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Hilton Odawara Resort & Spa
Bade Zone year-round heated leisure pools: outdoor flowing lazy river plus indoor current/walking pools, jets, and 25 m swim lane. Spa-leisure style, not a thrill park.
Kanto · Kanagawa · Hakone
Hakone Hotel Kowakien
Guests get free Yunessun access including indoor Bosappy River lazy river (swimsuit spa) plus kids lagoon; Rocky Splash waterslides also on site.
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Also on Japanese OTAs