18 Passport is a network of 18 adult sites in different niches that members can access with one membership. Themes include lesbians, teens, matures, blondes, brunettes, redheads, even hentai, shemales, and BDSM. It’s a varied collection that aims to satisfy all your porn interests with one simple join. 18 Passport is a pretty varied network, to say the least. The thing that also stands out is that almost all the sites are pretty big and many are regularly updated. There is a specific site for so many different tastes too that they have clearly taken the time to make sure that there isn’t any cross-over in content between sites and that they try and offer a site for so many different genres.