Here is a list of popular sites featuring erotic stories. Most of which focus predominantly on BDSM or similary kinky themes.

• Literotica probably the biggest erotic fiction site
• Storiesonline.net another big erotic fiction site
• Gromet's Plaza A big and very active site featuring all sorts of different kinks
• Gaggedutopia's Story Archive featuring around 3000 stories around BDSM themes
• BDSM Library
• The Erotic Mind-Control Story Archive
• Altarboy on Internet Archive the original website is not online any more, but through the wayback machine we're still able to these stories featuring chastity devices
• ASSTR.org