A luxury hotel perk is a SPA, which is a facility offering a variety of services such as massage, sauna, steam room, and other treatments. Spas are often found in luxury hotels and resorts, and provide guests with a relaxing and rejuvenating experience. SPA treatments can range from simple massages to more complex treatments such as facials, body wraps, and aromatherapy. SPA services are often included in the cost of a stay at a luxury hotel, making them an attractive perk for guests.