Shunk Gulley Oyster Bar 30A Oyster Fest Sunday, October 27 Gulley Amphitheater at Gulf Place Shunk Gulley Oyster Bar 30A Oyster Festival takes place at the Gulley Amphitheater on Sunday, October 27 from noon til 6pm. Come out to Gulf Place for the day and enjoy cooking demonstrations, oyster shucking contest, interactive kids area, live music and more! The Gulley Amphitheater is located in the heart of Gulf Place in South Walton, Florida. Shunk Gulley Oyster Bar is located on Scenic 30A next to Gulf Place and across from Ed Walline Park. The restaurant is hosting the Shunk Gulley 30A Oyster Fest in their event venue, Gulley Amphiteater, in Gulf Place.