London offers a diverse range of gay saunas, each providing unique amenities and atmospheres. Here are some of the most notable ones:

1. Sweatbox Sauna

Facilities: Located in Soho, Sweatbox Sauna features a steam room, sauna, jacuzzi, private cabins, and a fully equipped gym. It is also known for its steam maze and foam parties.
Atmosphere: Popular for its lively environment and central location, attracting both locals and tourists.
Location: Ramillies House, 1-2 Ramillies St, London W1F 7LN, United Kingdom
Operating Hours: Open 24 hours a day, 7 days a week.
Website: SweatBox Soho

2. Pleasuredrome

Facilities: Pleasuredrome is one of London's most popular gay saunas, featuring a range of amenities including two steam rooms, a sauna, a large jacuzzi, private pods, and deluxe rooms. The venue also has a café bar and a cinema. The environment is known for its industrial style and recent renovations.
Atmosphere: Located near Waterloo Station, Pleasuredrome attracts a diverse crowd of all ages. It's known for its clean facilities and friendly staff, providing a welcoming and safe space for relaxation and socializing. Regular themed nights add to the vibrant atmosphere.
Location: Arch, 124 Cornwall Rd, London SE1 8XE, United Kingdom
Operating Hours: Open 24 hours a day, 7 days a week.
Website: Pleasuredrome

Facilities: This sauna includes a 20-man sauna, 16-man steam room, playrooms, private relaxation cabins, and a chill-out lounge with free tea, coffee, and filtered water.
Atmosphere: Known for a more hardcore vibe, it caters to those who enjoy a rougher play environment.
Location: 6 Cleaver St, London SE11 4DP, United Kingdom
Operating Hours: Open daily from 11 AM to midnight.
Website: The Locker Room

Facilities: This East End sauna features a large steam room, sauna, open-plan showers, TV lounge, 20-man jacuzzi, and two floors of relaxation rooms. It also has a rooftop terrace.
Atmosphere: Busy, especially after nearby pubs close, attracting a diverse crowd.
Location: 570-574 Commercial Rd, London E14 7JD, United Kingdom
Operating Hours: Weekdays from 11 AM to 11 PM, weekends from 11 AM to 8 AM.
Website: Sailors

Facilities: E15 Club offers a steam room, large dry sauna, infra-red sauna, showers, a coffee and snack bar, TV lounge, relaxation rooms, and a dark room.
Atmosphere: Known for its friendly atmosphere and regular themed nights like 'Bears Night'.
Location: 6 Leytonstone Rd, London E15 1SE, United Kingdom
Operating Hours: Open daily from 9 AM to 10 PM.
Website: E15 Club

Facilities: Saunabar at Portsea offers a variety of amenities, including a steam room, dry sauna, massage services (such as back & shoulder, Indian head, reflexology, sports, and Swedish massage), showers, and private relaxation rooms. The venue is known for its clean and discreet environment.
Atmosphere: This small and friendly sauna provides a welcoming space for those looking for a quality, discreet venue in London. It caters to a diverse clientele, providing a relaxed and intimate setting.
Location: 2 Portsea Pl, St George's Fields, London W2 2BL, United Kingdom
Operating Hours: Daily from 12:00 PM to 10:30 PM.
Website: Saunabar London Portsea