267 Sixth Avenue is a rare, exquisitely preserved 1870s Park Slope townhome with a rich history, including its past as the Swedish American Athletic Club. Spanning a full 20-by-90-foot lot, this 7,200 SF home features grand entertaining spaces, ornate historic details, abundant light from 63 windows, and unique amenities such as a former bowling alley and a roof deck. Prominently located near Prospect Park, cultural institutions, dining, shopping, and major subway lines, the home has been widely recognized in tours and major media for its architectural and historical significance..