Hotel · Indoor poolLondon Heathrow Marriott Hotel
Hillingdon, London4-star hotel
Best for
- Swimming whatever the weather (indoor pool)
- A trip with the dog (dogs allowed)
Not for
- Swimmers who need the pool length before booking (not yet checked)
Swimming poolHillingdon, London4-star hotel

Photo: Booking.com
Where details are marked 'Not yet checked', we only show what we know for certain: whether there's a pool and whether it's indoor or outdoor.
This 4-star hotel in Hillingdon, London has a swimming pool. It has two swimming pools.
We have not yet checked the length, water temperature or swim times of this pool. Until we have, the Pool Card shows them as not yet checked.
There are spa facilities next to the pool. Family rooms are available. It has a guest rating of 7.6/10 from more than 3,000 reviews.
Room prices change daily and come live from our booking partner, so we don't publish them here.
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Yes. Atrium Hotel Heathrow has a swimming pool. It has two pools in total.
Hotel · Indoor poolHillingdon, London4-star hotel
Best for
Not for
Hotel · Indoor poolHillingdon, London4-star hotel
Best for
Not for
Hotel · Indoor poolHillingdon, London4-star hotel
Best for
Not for
Listing data updated 29 September 2026. Pool details show the date they were checked. How we check pools · Affiliate disclosure
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