多谢哈啦大大指点，是个英文站。
刚在BHW碰巧看到一则类似文章，推荐信息如下：
1.
http://www.flippa.com - (Largest Marketplace For Buying & Selling Websites)
2.
http://forums.digitalpoint.com (Second Largest Marketplace)
3.
http://www.namepros.com (Largest Domaining Forum) (Active Marketplace)
4.
http://www.v7n.com (Large Webmaster Portal With Forum) (Active Marketplace)
5.
http://www.webmaster-talk.com/marketplace/ (Active But With Only A Few Views)
6.
http://www.warriorforum.com (Large Affiliate Marketing Forums With Active Marketplace)
7.
http://www.webhostingtalk.com (Huge hosting website & Marketplace)
8.
http://www.webtalkforums.com (Large Webmaster Site With Active Marketplace)
9.
http://www.dnforum.com (The largest domaining forum With An Active Marketplace)
10.
http://www.sedo.com (Mainly for domains but can sell full sites too)
11.
http://www.websitebroker.com (Higher end sites, little activity)
12.
http://www.webmastersmarketplace.com.