The diving pool features a 10-meter high board that is one of the few publicly accessible high-diving facilities in the region.
The complex was originally opened in 1957, making it one of the oldest established leisure pool facilities in Japan.
It utilizes filtered seawater alongside freshwater for its various pool systems.
The facility has been a frequent filming location for Japanese television dramas and commercial advertisements since the 1980s.
Oiso Long Beach is a sprawling seasonal aquatic complex situated on the coastline of Sagami Bay. The facility features a variety of outdoor pools, including a wave pool, a circular water slide, and a dedicated diving pool with platforms reaching up to 10 meters. It operates as part of the Oiso Prince Hotel resort, utilizing its proximity to the ocean to create a seaside resort aesthetic. The complex offers expansive sunbathing decks and designated areas for renting private cabanas. Multiple food kiosks and restaurants are located directly within the pool grounds. It serves as a regional destination for summer recreation, catering to families and day-trippers. The site is designed to integrate pool-side leisure with views of the Pacific Ocean.
The upper deck area looking toward the wave pool with the blue expanse of Sagami Bay in the background.
Rent a cabana or reserved seating area in advance, as shaded spots are in high demand during peak summer weekends.
Bring waterproof footwear or sandals, as the pool deck surface can become extremely hot in direct sunlight.
Check the official website for 'Ladies' Day' or other recurring discount campaigns if visiting during the mid-season.
Avoid visiting during the Obon holiday period in mid-August, when the facility reaches maximum capacity.
Open seasonally during the summer months only; generally closed from autumn through late spring.
Tattoos must be covered with rash guards or adhesive patches; strictly no glass containers allowed on the pool deck.