Hotel Seapalace Resort

Chubu, Aichi
Summer Rainbow Pool: flowing lazy river (流水プール), wave pool, two waterslides, and toddler pool. Guests free on stay day and next day.
Outdoor spaces
Outdoor areas listed — check season and weather.
family
Waterslide from 120 cm. Grade 3 and under need a guardian (max 2 kids per adult unless waiver).
Official confirmation
Hours and fees change — verify on the official site.

