gyms near me » gyms in United States» gyms in New Jersey» Gyms and fitness in South Plainfield9Round South Plainfield, NJ Stelton Rd ranking: 5.0 / count: 34address: 4951 Stelton Road, South PlainfieldPlanet Fitness ranking: 3.8 / count: 255address: 6761 Hadley Road, South Plainfield