OVERVIEW
At the end of last year, catering firm Sonnier & Castle moved into a bilevel town house and in early March started offering part of the building for corporate and nonprofit functions. Less than two blocks from the Intrepid Sea, Air & Space Museum, No. 554 offers a 550-square-foot gallery space on the ground level and a 700-square-foot section on the floor above. The venue is equipped with A.D.A.-compliant restrooms and entrances and a surround-sound system.