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Our boutique REN Spa is a little slice of luxury in central London, providing all the essentials of a rejuvenating spa break right here in the heart of our award-winning Mayfair hotel.

Cedar-wood hot tubs, a steam room, wet room with sauna and blissful relaxation area beckon you to escape the hustle and bustle of everyday life and emerge refreshed and ready to face the day.

Marble spa facilities in mayfair hotel

Our extensive REN treatments are also bespoke, with many created especially for The Athenaeum to help you look and feel your most fabulous. Whether you want a relaxing spa day in London or an express mani-pedi, our dedicated beauty and wellbeing team can put together a personalised package just for you.

We offer a diverse range of signature REN skincare and massage treatments, plus those all-important finishing touches including HD Brows, semi-permanent lashes and Gelish nails. Of course, if you can’t see your favourite beauty fix, just let us know and we’ll make it happen. Afterwards, why not finish your luxury spa day with dinner at the elegant new Galvin at The Athenaeum, or discover our exclusive overnight packages to make it an extra-special mid-week or weekend treat.

The Ren Spa is open to non-residents for £25 per hour. Book a treatment on: +44 (0)207 640 3347 or email:


Our treatments

Let’s Go Outside

Keeping in shape doesn’t mean you have to stay in the gym. After all, there’s a wealth of activity right on our doorstep, with Green Park, St James’s Park and Hyde Park all within walking distance of the hotel. Whatever you fancy doing – from cycling to kite flying – we’ll provide you with everything you need and more.