The Harbor Towers are two 40-story residential towers located on the waterfront of Boston, Massachusetts, in between the New England Aquarium and the Rowes Wharf mixed-use development. Harbor Towers I, the taller of the two towers, stands at 400 ft (121.9 m), while Harbor Towers II rises 396 ft (120.7 m). Harbor Towers I is tied for the 37th-tallest building in Boston. They were designed by Henry N. Cobb of I. M. Pei & Partners.