🗼 Kanto · Kanagawa
大磯プリンスホテル
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.
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Notes & caveats
Kanagawa · Oiso
Meal tags: dinner / breakfast
Sources
Hours and fees change. Always confirm on the official site. We do not invent prices or star ratings.
A. 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.
A. Seasonal / outdoor-focused. Confirm opening dates on the official site.
A. Waterslide typically 120 cm+ / age 6+. Kids zones for younger children.
A. We do not list prices here (they change often). Check Booking.com, Agoda, or the hotel’s official site for live rates.
Kanto, Kanagawa · Year-round
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.
Indoor option
Indoor / all-weather facilities noted for this stay.
Year-round oriented
Facilities aimed at year-round use (confirm maintenance closures).
Outdoor spaces
Outdoor areas listed — check season and weather.
Kanto, Kanagawa · Year-round
Guests get free Yunessun access including indoor Bosappy River lazy river (swimsuit spa) plus kids lagoon; Rocky Splash waterslides also on site.
Indoor option
Indoor / all-weather facilities noted for this stay.
Year-round oriented
Facilities aimed at year-round use (confirm maintenance closures).
family
Bosappy River is family-friendly; Rocky Splash has height limits (e.g. 105 cm+). Confirm current Yunessun rules.
Kanto, Chiba · Year-round
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.
Indoor option
Indoor / all-weather facilities noted for this stay.
Year-round oriented
Facilities aimed at year-round use (confirm maintenance closures).
Outdoor spaces
Outdoor areas listed — check season and weather.
Affiliate / ad links. We may earn a commission if you book.