Try publicbookshelf.com. This book offers a ton of free online romance novels. In fact, they offer so many the site is almost like a free online library. Regardless, to access their free online novels, all you have to do is click on a novel of interest. You'll then be able to read the novel right from the site.
Consider Free Online Novels.com. As the name indicates, this site offers nothing but free online novels. However, unlike Public Book Shelf, you won't be able to read the novel from the site. Instead, when you click on a novel of interest, it will take you to a different site where you can read it.
Visit RomanceatHeart.com. This site offers 8 free online romance novels. But be careful. Not all the romance novels here are free. In fact as of yet, only those in the first section are. So look closely when perusing this site.