Here are some proposals from 6 developers who are competing to redevelop the Winthrop Sq. area(a humungous garage in the Financial District).
Proposal No. 1: Accordia Partners: Proposed a 725-ft, 57-story tower spreading over 768,600 ft. The tower would incorporate 188 apartment units, a hotel with 280 rooms, a black box theatre with 175 seats, an observatory deck on the 56th floor, a restaurant on the 57th floor with stunning views of Boston, 5,300 sq. ft. of street level dining space and 2,638 sq. ft. of retail space with a underground parking structure. The proposed development would include 34,000 sq. ft. of community and civic space.