EchelonSeaport is a 1.33 million-square-foot, 3.5-acre high-end urban resort in the heart of Boston’s hottest real estate market, the Seaport District. EchelonSeaport is the second largest development in the State of Massachusetts and the largest residential mixed-use development in the City of Boston. It includes 750 residential units, a 19,000-square-foot public courtyard, 60,000+ square feet of luxury amenities, and 125,000 square feet of retail and restaurant space. EchelonSeaport’s signature features include soaring ceiling heights, rich architectural details and vibrant community spaces.