Gym for guys who want a serious workout. 24xfitness has an extensive range of well-maintained cardiovascular equipment, Life Fitness & hammer strength machines, dumbbells, barbells, etc. This friendly gym has a number of competition-level bodybuilders as members.

Conveniently open 24 hours. Facilities include changing rooms, showers, free WiFi. Daily and 3-month memberships available. Management appear to be pretty flexible, so it's worth asking if you prefer something in between.