Ultimate Fitness Centre in Central Cardiff | Facilities,... Ultimate Fitness Centre is a gym in Central Cardiff, offering gym and fitness facilities, strength and cardio training, membership enquiries. Address: 11 Penlline St, Cardiff CF24 3BDOfficial website Things to do today Things to do tomorrow This weekend Free events Family events Kids activities in Cardiff Live music in Cardiff Live sports in Cardiff Cinemas in Cardiff Gyms in Cardiff All Cardiff events