Art filled luxury hotel short walk from union square near flatiron building gramercy park hotel puts you on lexington avenue amid elegant townhouses that were once home to some of new yorks most famous names the astors rockefellers and roosevelts the flatiron building is 3 blocks away union square with its beloved greenmarket is a 5 minute walk access to private park guests enjoy special access to the serene and private gramercy park a quiet escape amidst the bustling city you can als