Through July 31, the Hyatt Washington D.C. is offering triple miles and an upgrade to Dividend Miles members. In fact, several other Hyatt’s are also participating in this promotion, including the Park Hyatt Washington, the Grand Hyatt Washington, the Hyatt Regency Bethesda, the Hyatt Regency Crystal City and the Hyatt Regency Washington. At check-in request offer WDC3DM and provide your Dividend Miles account number.