Marietta - Washington County Visitors Bureau 121 Putnam Street, Marietta, OH 45750, 740-373-5178, 800-288-2577, Provides information on art and culture, entertainment, shopping, lodging, dining, and attractions in the Marietta, Washington County area. more...

Marietta Area Chamber of Commerce 316 Third Street, Marietta, OH 45750, 740-373-5176, Provides visitor and relocation informaiton for the greater Marietta area.