Oiso Long Beach
This huge resort complex is on the western coast of Oiso. It has 7 types of pools, including a flowing pool where 1 lap is 500m, a pool with waves like the ocean, a diving pool, a water slide, etc.
Early July - mid September: 09:00 - 17:00 ※ Depends on the schedule
Adults 4,200 yen; Junior high and high school students 2,800 yen; Elementary school students and seniors (65 and older) 2,200 yen; Children (3 years old to preschool) 1,000 yen