Stay one night and get 50 percent off the second night when you stay at participating Hyatt hotels through Labor Day, Sept. 7, 2009. You can choose from Hyatt Summerfield Suites and Hyatt Place properties. Use code SUMFAM at time of reservation and pay the Summer Family rate. Reservations must be made via HyattSummerfieldSuites.com or by calling (866) 974-9288. Blackout dates may apply.