Four Fitness Montgomery Street

Founded by Marcisco Morrison in May 2014, Four Fitness is a top Jersey City gym with locations at 667 Montgomery St. and 161 Erie St. in Hamilton Park. Known for functional training and the 4MMG SYSTEM, it targets legs, core, back, and chest efficiently. Rated highly on Yelp since 2015, Four Fitness offers personalized 1-on-1 training, group classes, a sauna, steam room, and a 2-lane lap pool.