www.preownedweddingdresses.com is a popular site. It's about $25 to list your dress, but the page gets a lot of visibility.
Fitness Minutes: (3,589)
105 6/3/12 7:30 P
You could always try http://www.idonowidont.com/home
5/28/12 9:54 A
Ebay or Craigslist. Although be cautious with Craigslist. You have to actually meet the person buying your dress.
5/24/12 8:50 P
My husband and I ended up eloping so I have a new dress (tags still attached!) sitting in my closet. It cost me $400 and I am trying to find a place to sell it. Any ideas of websites where I may have success? It is David's Bridal model E8052 in Peridot