A giant water park, an athletic course on the sea.

2026/7/18~2026/8/30

Sightseeing

Atami 's hugely popular summer attraction, Atami Sun Beach Water Park, will be held again this year! With the giant air ride floating on the sea, both adults and children can have a blast. Business hours are from 10:00 to 16:00, with a complete rotation system of one hour per session (6 sessions in total).
The fee includes life jacket rentals: 2,000 yen for adults and 1,500 yen for elementary and junior high school students. For safety reasons, use is limited to first grade elementary school students and above (or third grade and below, accompanied by a guardian).
Please note that advance online or phone reservations are not accepted. Tickets will be sold on a first-come, first-served basis starting at 9:30 AM on the day at the reception tent on the local sandy beach. During peak hours, tickets may sell out early, so be sure to visit early.

Click here for details


place	Atami Sun Beach
Event period	July 18, 2026 (Sat) → August 30, 2026 (Sun)
Operating hours	10:00 - 16:00 (Registration closes at 15:15)
Playtime	*[Shift system] Includes shift change and break time ①10：00～11：00／②11：00～12：00／③12：00～13：00 ④13：00～14：00／⑤14：00～15：00／⑥15：00～16：00**
Admission fees	Adults (high school and above): 2,000 yen per hour, Child (junior high school students and younger): 1,500 yen ★ per hour. Available for elementary school students and older. *《Atami-shi Citizens》 Adults (high school students and older) 1 hour: 1000 yen Child (junior high school students and younger): 1 hour 500 yen Please post proof of citizenship**
Usage restrictions	Children in the third grade of elementary school or younger must be accompanied by a guardian to enter. We lend life jackets to all visitors and ask that they wear them. *Entry may be restricted in the event of severe weather (strong winds, etc.) or a weather warning (thunderstorms, etc.).
How to register	Registration will be held on the beach at 9:30 AM on the day of the event (telephone and online registrations are not accepted).

back to index