In Newcastle, UK, there are a couple of well-known gay saunas offering a variety of facilities and services:

Number 52 Sauna:

Location: 52 Scotswood Rd, Newcastle upon Tyne NE4 7JD, United Kingdom
Facilities: This sauna includes a 14-man sauna, steam room, a 7-man luxurious hydrotherapy pool, relaxation lounge, private restrooms, and free WiFi. Additionally, there is a fully licensed bar and a private courtyard for smokers. The venue also offers a discreet back entrance.
Features: Known for being Newcastle's busiest sauna, it offers a clean and spacious environment. It's open 24 hours over the weekend, from 11:00 AM on Friday to 10:00 PM on Sunday. During weekdays, it operates from 11:00 AM to 10:00 PM.
Website: Number 52 Sauna

Gay Saunas And Gay Bathhouses