MyPoolHotels
Plunge pool · London

London's Plunge Pool Hotel Pick

A plunge pool is a different animal from a lap pool or a resort pool, built for a short, cold or contrast dip rather than for swimming lengths, and The Beaumont Mayfair is the clearest London example on current evidence. Its plunge pool sits inside the hotel spa alongside a hammam, sauna and steam room, in a 1926 Art Deco building at the centre of Mayfair marked by a three-storey sculpture from Sir Antony Gormley. Guests get the plunge pool as one stop in a small, focused wellness circuit rather than the centrepiece of a large leisure floor.

Mayfair hotels tend to build wellness spaces that feel more like a private members' club than a public spa, small rooms with a handful of treatments rather than a full leisure floor. A plunge pool suits that scale well, since it does not need the square footage a lap pool or resort pool would demand. The neighbourhood's quieter, garden-square streets outside match the same restrained approach found in the buildings themselves.

1 hotelsUpdated August 9, 2026

Plunge pool · London in numbers

1
hotels
9.3/10
average guest rating
884
guest reviews

Where to stay

One cold dip in Mayfair

A plunge pool works on contrast rather than duration: guests step in briefly after heat from the sauna or steam room, rather than swimming laps or lounging for an hour. That makes it a good fit for a Mayfair hotel spa built around a handful of treatments rather than a sprawling leisure complex, since the plunge pool takes up little space but still delivers the cold-water reset that a sauna session calls for.

The Beaumont Mayfair occupies a building dating to 1926, with an iconic three-storey sculpture by the award-winning Sir Antony Gormley marking the property from the street. Inside, the hammam and spa offer relaxation treatments, and use of the gym, sauna and steam room is free for all guests, with the plunge pool completing that circuit. The Art Deco interiors, black and white marble bathrooms and heated floors carry the same design language from the guest rooms through to the spa itself, so the plunge pool never feels bolted on as an afterthought to the rest of the building.

The hotel sits in a quiet position overlooking a landscaped garden square, a short walk from Selfridges and around ten minutes on foot from Hyde Park. That means a plunge pool session can bookend a day of Mayfair and Oxford Street shopping without much travel time either way. Guests reach theatres, art galleries and further shopping easily by Tube from the same base, so the wellness routine does not have to compete with the rest of the day's plans, and returning mid-afternoon for a cold dip costs little more than the walk itself.

Because the plunge pool sits alongside a hammam, sauna and steam room rather than standing alone, guests get a proper contrast circuit: heat, then cold, then a return to the sauna if they want to repeat it. That is a different experience from a small decorative pool with no supporting facilities, and it is the detail that puts The Beaumont Mayfair ahead of a hotel that lists a plunge pool as an afterthought in its amenities list without building any real routine around it or giving guests a reason to come back to it twice in one visit.

Le Magritte Bar and Rosi, both popular with locals rather than only hotel guests, sit within the same building as the spa, and The Gatsby Room handles afternoon tea or evening drinks. That local following says something about how the hotel reads within Mayfair, less a purely transactional five-star stay and more a small, established address that happens to have a proper plunge pool tucked into its spa wing, in rooms furnished with original artwork and antiques rather than standard hotel decor found elsewhere in the neighbourhood, right down to the heated marble floors in the bathrooms.

A traveler's take

I booked into The Beaumont Mayfair after a long flight and went straight to the spa, alternating between the sauna and the plunge pool until the jet lag actually loosened its grip. Selfridges was a short walk away for the afternoon, and the Gormley sculpture out front made the hotel impossible to miss when I got back from the shops.

Local tips

  1. 1Alternate between the sauna and the plunge pool two or three times rather than doing one long sauna session and a single dip.
  2. 2Visit after a day of Oxford Street or Selfridges shopping, the hotel sits close enough that the walk back does not eat into spa time.
  3. 3Check current spa hours with the hotel before you travel, wellness facilities at boutique properties like this one can have limited daily windows.
  4. 4Combine the plunge pool with afternoon tea at The Gatsby Room, both sit inside the same building so there is no need to go outside.
  5. 5Ask at the front desk about quieter times for the spa, smaller wellness areas fill up faster than a large leisure floor would.
  6. 6Walk to Hyde Park after your spa session if the weather allows, it is roughly ten minutes on foot from the hotel.

Related searches

Plunge pool · FAQ

The Beaumont Mayfair is the clearest example on current evidence, with a plunge pool inside its spa alongside a hammam, sauna and steam room. It sits in a 1926 Art Deco building at the centre of Mayfair.