1. Flippa - Probably the most trafficked website marketplace.
2. Warrior Forum - The most active IM forum and definitely has many potential buyers.
3. DigitalPoint Forum - Very !ctive marketplace sub-forum in Digital Point.
4. WebsiteBroker - Looks like one of the best alternatives to Flippa.
5. eBay - Everybody knows eBay. The auction site provides a dedicated section to selling websites.
6. BuySellWebsite - An established site with listing and appraisal services.
7. Flipping Enterprises - Website brokerage with ready buyers.
8. WeSellYourSite - High-end website brokerage.
9. WebMasters MarketPlace - Free-to-list website marketplace.
10. Experienced-People.net - Sub-forum website marketplace that is relatively new.
If you like this, do enjoy the full post at my blog.
Would also love to hear your experiences with these sites or any others that you may have used.