Trim down in three months at Club H Fitness: A 3-month membership to Club H Fitness at 423 W. 55th St. including 2 personal training sessions and a 1/2 hour massage will get you well on your way to a fitter you!. Club H is a boutique health club in Hell's Kitchen, featuring dozens of group exercise choices in the main studio, including yoga and Pilates, and Spinning. Luxurious men's and ladies locker rooms, a chill-out lounge and cafe.