Oiso Long Beach (大磯ロングビーチ)

Flow of the course

About this spot

This outdoor leisure pool in Oiso Town, Kanagawa Prefecture, is open in 2026 from Saturday, July 4 through Sunday, September 13 (opening at 10:00 on some weekdays). Proud of its location overlooking Sagami Bay, the facility features a variety of pools including a wave pool and a lazy river, letting the whole family enjoy the heat of summer. Changing rooms, showers, shops, and a restaurant are all on site, so you can reassuringly spend the whole day with minimal gear. Entering around midday lets you secure a spot before the crowds peak while still enjoying water play right up to closing in the evening. Take in the open, breezy feel that's unique to this seaside town.

Season & hours

Tips

Prices vary by season; as a guide, adults pay 4,400-4,900 yen, junior/senior high school students 3,000-3,300 yen, elementary school students and seniors 2,400-2,600 yen, and young children (age 3 and up) 1,200-1,400 yen (check the official website's price list in advance). Changing rooms and showers are fully equipped, but waits can occur during busy periods, so arriving early is recommended. Shops and a restaurant on site mean you can get lunch without leaving the facility.

Best time to visit

Entering at noon lets you secure a spot before the crowds peak, giving you plenty of time to play until closing at 17:00

Access & map

Oiso-machi, Oiso Long Beach