A comfortable San Marcos mainstay on the bar scene.. In Short A cool and comfortable atmosphere with lots of dark wood and plants, the Green Parrot offers a nice sit-down bar specializing in many custom drinks. There's a full bar and a full menu of appetizers, ranging from nachos to shrimp. On Fridays the bar features a popular free buffet from 4:30pm to 6:30pm. During happy hour, draft beer is $1.50, and mai tais and margaritas are both only $3. There's live music Wednesday through Saturday.