The venue is stocked with all the pieces of equipment you'd normally expect, from treadmills to weight machines. South-facing windows allow natural light to fill the space and also provide a view of Bally's. Or rather, the construction underway at Bally's for the Grand Bazaar Shops.
@Paperposter says the unmarked door leading to the gym can be found near the check-in desk on the casino floor. Usage is included as part of the $25 resort fee. A call to the hotel reveals that the fitness center is available to guests 24 hours and is meant to be restricted to key card access only.
The Cromwell does not offer a spa or a salon. Its casino opened on Monday. The rest of the boutique property will debut on May 21.