The Bar/Lounge at Keio Plaza Hotel Tokyo
Keio Plaza Hotel Tokyo's bar/lounge is acknowledged by professional reviewers writing for major publications. Of the 8 reviews that we monitored, 3 acknowledged the bar/lounge, like Frommer's, Oyster and Star Service.
Keio Plaza Hotel Tokyo 
Frommer's
Oyster
Star Service
Frommer's "Facilities: 12 restaurants; 3 bars; 1 lounge; children's day-care center (daily 10am-6pm; evenings by reservation only: fee: ¥3,150 for 1 hr"
Oyster " It also has a rooftop pool, full spa and salon, and more restaurants and bars than some small towns"
Star Service "Nonsmoking Plaza BizPlus rooms are designed for corporate guests and feature both wired and wireless Internet access, larger desks, and espresso machines (although these are not granted access to the club lounge)"
