Besides this website, site point and eBay what are some other good places to try to sell an established e-commerce website in the low $xx,xxx range? Starting bid 12 x monthly BIN 24 x monthly income
I think you just covered the big three in your post. Sitepoint has a lpretty decent daily turnover of websites added. If your website is in a niche you could also list it on big boards relating to that subject.