Rich buyers are following tech and finance firms to downtown Manhattan, paying tens of millions to live in neighborhoods like Greenwich Village, Tribeca and West Chelsea.

For more information, contact the Alliance for Downtown New York, which provides service, advocacy, research and information on enhancing the quality of life in Lower Manhattan.

Millennium Hotels & Resorts is launching the M Social Hotel New York Downtown, aimed at younger, high-end business travelers, with features like advanced workspaces and upscale amenities.

Once overlooked, several U.S. cities are experiencing a renaissance, largely driven by affordable real estate and revitalized ...