With summer vacation approaching, many people are planning family-friendly cooling-off getaways. In Japan, hotels are capitalizing on swimming pools as their main attraction by offering special stay packages to tap into the "water" business boom. The well-known booking site Rakuten Travel has published a ranking of Japan’s top 10 best-selling pool hotels. The survey found that among the popular islands favored by travelers from China, Okinawa alone has five hotels on the list. The “Okinawa Kirishima Beach Resort,” which offers free access to a private beach upon check-in, ranked third. The “Naha Loisir Hotel” in Okinawa, featuring a safe shallow-water pool area, secured second place—highlighting that a large pool and breathtaking ocean views at a beachfront hotel are essential for a perfect vacation. However, the most popular choice, taking the top spot, is the hot spring hotel “Kisarazu Onsen Ryugujo SPA ‘Tsukimino-Yado’” located in Kisarazu, Chiba Prefecture, which boasts a family-friendly water slide. Its seasonal limited-time view of Mount Fuji from the pool is the biggest draw.
The Okinawa Kirishima Beach Resort has a separate children's pool by the beach. (Photo provided / Rakuten Travel)
| Ranking | Prefecture | Hotel |
| No.1Rank | Chiba Prefecture | Kisarazu Onsen Ryugujo SPA 'Tsukimino-Yado' |
| No.2Rank | Okinawa Prefecture | Naha Loisir Hotel |
| No.3Rank | Okinawa Prefecture | Okinawa Kirishima Beach Resort |
| No.4Rank | Shizuoka Prefecture | Izu Atagawa Onsen Katara Resort & Spa |
| No.5Rank | Okinawa Prefecture | Okinawa Renaissance Resort |
| No.6Number | Fukushima Prefecture | Spa Resort Hawaiians |
| Ranking7persons | Okinawa Prefecture | Hotel Granrio Ishigaki Resort |
| Ranking8persons | Gunma Prefecture | Kusatsu Onsen Resort Hotel |
| Ranking9persons | Okinawa Prefecture | Laguna Garden Hotel |
| Ranking10persons | Hokkaido | Niseko Alps Hotel |
Kisarazu Onsen Dragon Palace SPA ‘Tsukimi Hotel Ryugu-Tei’’s waterslide pool is the most popular. (Image provided / Rakuten Travel)
Located across Tokyo Bay from Yokohama, the Kisarazu Onsen Dragon Palace SPA ‘Tsukimi Hotel Ryugu-Tei’ features three distinctive pools within its premises — an indoor “Aqua Park” with a large waterslide and river-style pool, an outdoor year-round heated pool “Ocean SPA,” and a summer-only “Garden Pool” offering views of Mt. Fuji and Tokyo Bay. Thoughtfully equipped with lighting and water shows at different times of day, the facilities provide guests with a full resort experience without leaving the hotel.
Naha Loisir Hotel offers a dedicated shallow pool area for children, perfect for family fun. (Image provided / Rakuten Travel)
Coming in second place, the Naha Loisir Hotel also has a summer-only outdoor pool, but its highlight is the specially designed shallow pool for children, allowing families to enjoy the water together. At night, the pool area features a charming lighting show that enhances the scenery. Additionally, the hotel offers a year-round natural hot spring therapy pool with thalassotherapy benefits for complete relaxation.
At Okinawa Kirishima Beach Resort Hotel, you can enjoy a private beach and a full vacation experience. (Image provided / Rakuten Travel)
The Okinawa Kirishima Beach Resort Hotel provides free access to a private beach upon check-in. Adjacent to the beach is a children’s pool, ensuring safe swimming fun for families by the sea. The property is surrounded by rich tropical greenery and features three inviting pools — the Tropical Garden Pool, Lake O Pool, and an indoor pool — offering guests a relaxing holiday experience.
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