Sunday Weddings at The Chastain Horse Park: Enjoy a relaxing Sunday afternoon at the Chastain Horse Park Special Event Facility and take advantage of the reduced facility fee available to our Sunday brides. You and your guests can enjoy the entire building for $2,500 or the Banquet Room for only $2,000. Your rental fee includes 70-complimentary parking spaces or 140-complimentary parking spaces if there is no event at the Chastain Amphitheatre.