The Pool at Shinagawa Prince Hotel
Shinagawa Prince Hotel Tokyo's pool is praised by professional reviewers writing for major publications. Out of 5 publications that we monitored, 3 recommended the pool, such as Frommer's, Oyster and Star Service.
Shinagawa Prince Hotel 
Frommer's
Oyster
Star Service
Frommer's "Internet cafe; bar; sports center (various fees charged: ¥1,050 for indoor pool, ¥1,100 for outdoor pool); children's day-care center; (fee: ¥2,000-¥2,500 for 1 hr"
Oyster "The hotel's complex includes two swimming pools, 13 food and beverage
outlets, tennis courts, a shopping mall, cinema, bowling alley, and even an aquarium"
Star Service "In addition to shops, there's an aquarium with dolphin shows, an indoor amusement center with virtual thrill rides, a 10-screen cinema complex, an 80-lane bowling center, nine indoor tennis courts, a golf center for practice shots, an amusement/arcade game center, recently renovated indoor and outdoor pools, and a fitness center, all charging various fees"
