Looking for updated information on this please if someone has been recently and a good one to visit as an outside guest rouse pool , and the restaurant/ bar
In addition to the Room Mate Oscar,
There's the newly renovated pool area, "Beach Club", (1,000 square meters big) on the 10th floor of the classic Hotel Emperador (since 1947) on the Gran Vía open to outside guests,.... but for a steep price.
It's the largest of Madrid's hotel pools with snack bar and Sky Bar cocktail bar with evening dj sessions and 360 degree views.
It opens from 10am to 9pm but be prepared to pay €50 from Monday to Thursday and €63 on Friday, weekends and holidays. Admission includes a towel, the use of a lounge chair, the solarium and a glass of (Moet) champagne.
From 2.30pm Monday to Thursday there's an option to enjoy the pool with a set lunch menu included for €65,
Another roof top hotel (saltwater) pool right off the Gran Vía--the Hotel Santo Domingo. This year they have a Day Use Pass, to enjoy the small pool and the use of a hotel room from 10:30-8:30 from Mon-Thurs. Price: 60 euros for 2 persons. From Fri-Sun the price goes up to 75 euros.