Floating obstacle course
Run, climb and test your balance on a large course floating on the sea.
About 40 minutes by car from central Osaka
About 15 minutes by car from Kansai International Airport
A seaside escape close to the city
SUMMER 2026 · OSAKA
Run, climb, slide
and splash by the sea.
A giant floating obstacle course for an unforgettable summer adventure.
OPEN
July 18 – August 23, 2026
The booking page may open in Japanese. Please use your browser’s translation feature if needed.
OSAKA SEASIDE ADVENTURE
A giant water playground floating on the sea
Nishikinohama Water Park is a summer-only attraction in Kaizuka, Osaka. Families, friends and student groups can enjoy slides, climbing obstacles and balance challenges above the water.
60 minper session
Ages 6+minimum age
110 cm+minimum height
Life jacketincluded
WHY YOU’LL LOVE IT
Three ways to enjoy the adventure
Exciting slides
Slide straight toward the water and enjoy the thrill of a seaside splash.
A full day by the beach
Combine the water park with swimming, BBQ, a cafe and other seaside activities.
BLUE FLAG BEACH
Enjoy a beach that meets international standards
Nishikinohama Beach has received Blue Flag certification, an international environmental award based on standards including water quality, safety, environmental education and beach management.
TICKETS
Admission prices
One 60-minute session, including approximately 50 minutes on the water.
Weekdays
Adult
Junior high school age and over¥2,200
Junior high school age and over¥2,200
Child
Elementary school age¥1,700
Elementary school age¥1,700
Weekends & holidays
Adult
Junior high school age and over¥2,600
Junior high school age and over¥2,600
Child
Elementary school age¥2,200
Elementary school age¥2,200
Obon period
Adult
Junior high school age and over¥2,800
Junior high school age and over¥2,800
Child
Elementary school age¥2,400
Elementary school age¥2,400
Family example
Two adults + two elementary school children
Weekday ¥7,800Weekend / holiday ¥9,600
- Life jacket rental is included.
- Children under 6 cannot participate.
- Children under 12 must be accompanied by an adult aged 18 or over.
- All prices include tax.
SPECIAL OFFERS
Three summer benefits
Advance ticket benefit
¥200 BLUE TERRACE coupon
Available for the first 300 advance tickets.
Weekday benefit
Half-price weekday hot-spring coupon
For Nijinoyu Nishikinohama. Not valid August 8–16.
Guest benefit
Umi Terrace guest discount
Adult ¥300 off / child ¥200 off for overnight guests.
DAILY SCHEDULE
Choose your preferred session
Please complete check-in at least 10 minutes before the session. A safety briefing is required.
10:00–11:00Check in by 9:50
11:15–12:15Check in by 11:05
13:15–14:15Check in by 13:05
14:30–15:30Check in by 14:20
15:45–16:45Check in by 15:35
Session flow
- 1Check in
- 2Put on a life jacket
- 3Safety briefing
- 4Enjoy the water park
- 5Return equipment
GALLERY
See the adventure
IMPORTANT
Participation requirements
Please read these conditions before booking. Safety rules apply to every participant.
Age 6 or older
Height 110 cm or taller
Minimum group size: 2
Adult supervision for children under 12
Key safety information
- Every participant must wear the provided life jacket.
- Children under 12 must be accompanied by an adult aged 18 or over.
- One adult may accompany up to two children under 12.
- Participants must attend the safety briefing before entering.
- Rash guards, marine leggings and water shoes are strongly recommended.
- Operation may be suspended due to strong wind, high waves, lightning or severe weather.
For legal terms and the full Japanese rules, please refer to the official participation conditions.
FAQ
Frequently asked questions
Can I participate if I cannot swim?
A life jacket is mandatory, but this is an activity on the sea. Guests who are uncomfortable in water should exercise caution and participate with family or a guardian.
Is a life jacket included?
Yes. Life jacket rental is included in the admission price and must be worn by every participant.
What should I wear?
There is no fixed uniform, but rash guards, marine leggings and water shoes are strongly recommended to reduce the risk of injury.
Can I join without a reservation?
Same-day admission may be available if a session is not full. Advance booking is recommended.
What is the cancellation policy?
Up to two days before: free. One day before: 50% of the booking fee. Same day or no-show: 100%. No cancellation fee applies when the organizer cancels operations because of weather or other operational reasons.
Are showers and changing rooms available?
Warm-water showers and changing rooms are available at the beach facilities. Additional fees may apply.
What payment methods are accepted?
Advance reservations are paid by credit card. Same-day registration accepts cash only.
ACCESS
About 40 minutes by car from central Osaka
Nishikinohama Water Park
871 Sawa, Kaizuka, Osaka 597-0062, Japan
- By train: About a 15-minute walk from Nishikinohama Station on the Nankai Main Line.
- By car: Use Nishikinohama Park Parking Lot No. 1.
- Travel time: About 40 minutes by car from central Osaka, depending on traffic and departure point.