Muscle Basin Gym - Maryland in Newham | Facilities, hours &... Muscle Basin Gym - Maryland is a gym in Newham, offering gym and fitness facilities, strength and cardio training, membership enquiries. Address: 207 Leytonstone Rd, London E15 1LNOfficial website Things to do today Things to do tomorrow This weekend Free events Family events Kids activities in London Live music in London Live sports in London Cinemas in London Gyms in London All London events