Summer Sun Fun ! 35 % off When you book and stay at least 1 night starting May 28, 2019 to August 1, 2019. Sunday through Thursday Come Stay & Play in Gruene and get refreshed in the pool on the Summer Weekdays! Use Code: SUNFUN35 at checkout. Expires August 1, 2019 Excludes Holidays and Festivals Also Excludes the COMFORT & UTOPIA COTTAGES.