Bonbon is a men's club and gay sauna on Černomořská in Vršovice, a short tram ride south-east of the centre. Entry is for men over 18 only, though the club is not otherwise closed to the public.
Inside there is a Finnish sauna, a steam cabin, a whirlpool, relaxation cabins and a bar serving draught beer, soft drinks and light food. Massages can be booked, and gay press and toiletries are sold at the bar. Wi-Fi is free.
You ring at the hatch in the entrance lobby and are handed a wristband with a locker key. It is smaller and quieter than the sauna in the centre, which is a large part of its appeal, and reduced summer rates run through July and August.