The 3rd & 3rd Building is home to Echelon LLC. 3rd & 3rd is wonderful reutilization of a 100 year old garage in downtown St. Petersburg. It is a 32,607 square foot, 3-story office building. Fully renovated in 1984 and again in 2002, the 3rd & 3rd Building is also home to Aveda and Corban OneSource. The 3rd & 3rd Building is centrally located and within walking distance of the downtown St. Petersburg waterfront, museums, cultural attractions, USF St. Petersburg, fine dining, boutique shopping, grocery, drug store and vibrant night life with convenient access to Tampa Bay beaches and Tropicana Field.