Chubu · Aichi · Toyohashi
Hotel Sea Palace Resort
Sea Palace Rainbow Pool (summer outdoor): official page lists 造波プール (wave pool) plus two waterslides, flowing pool, and toddler pool.
⛰️ Chubu · Yamanashi
星野リゾート リゾナーレ八ヶ岳
Ilmare indoor pool: official Big Wave Pool (ビッグウエーブプール) — max ~1.2 m waves about 10 minutes each hour at :30. Main pool is a dedicated 造波プール (depth 0–140 cm) plus kids area.
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Notes & caveats
Yamanashi · Hokuto
Meal tags: dinner / breakfast
Sources
Hours and fees change. Always confirm on the official site. We do not invent prices or star ratings.
A. Ilmare indoor pool: official Big Wave Pool (ビッグウエーブプール) — max ~1.2 m waves about 10 minutes each hour at :30. Main pool is a dedicated 造波プール (depth 0–140 cm) plus kids area.
A. There is year-round or indoor equipment (excluding maintenance/closures). Always confirm on the official site.
A. No age limit listed for big-wave sessions; guardian supervision for kids. Confirm Ilmare ticket/plan rules.
A. We do not list prices here (they change often). Check Booking.com, Agoda, or the hotel’s official site for live rates.
Chubu · Aichi · Toyohashi
Sea Palace Rainbow Pool (summer outdoor): official page lists 造波プール (wave pool) plus two waterslides, flowing pool, and toddler pool.
Chubu · Mie · Kuwana (Nagashima)
Nagashima Resort Jumbo Seawater Pool: official Surfing Pool (~5,000 m²) with three wave machines (造波器) creating ocean-like waves, depth 0–1.6 m, plus Music Splash. Hotel Nagashima is an official resort hotel with guest pool-ticket benefits.
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Also on Japanese OTAs