Make Hyatt Regency Boston / Cambridge your event center for every occasion. As the largest hotel in Cambridge with 479 guestrooms and 25,000 square feet of event space, we can accommodate the needs of any size group or event. With breathtaking views of Boston, natural light with floor-to-ceiling windows and outdoor meeting space options, our banquet rooms offer impressive venues for any event. Your guests will enjoy making use of our 24-hour on-site fitness center and on-site restaurant overlooking the Charles River.