Browse Sites by Relationships : Fling

Number of Members: 1 Million

Cost: 1 month $29.95

Online since: 2004

Horny Matches is a popular website for adult personals style online dating. The site carries profiles of over 1 million men and women, mostly seeking casual types of relationships and hookups. It’s free to join, but upgrading to a paid membership plan is required to communicate and fully participate in the site.

Number of Members: 5 Million

Cost: Silver: 1 month $17.99

Online since: 1996

Adult Friend Finder is one of the largest online dating communities for sexually liberated adults. With millions of members worldwide, you can be sure of finding an erotic partner, whatever your tastes or preferences. It’s free to register on the site and browse thousands of sexy photos. Contacting members requires paid membership.

Number of Members: 748,000

Cost: 1 month $17.99

Online since: 2002

Passion.com is ideal for those looking for something a little more adventurous than your average dating site, but don’t like the idea of adult hook-up sites. The site caters to singles, couples and those already in relationships, and offers numerous ways to search for nearby members.

Number of Members: 3 Million

Cost: Free

Online since: 2003

OkCupid is a highly popular dating site that offers the majority of its services for free. Those wishing to gain extras can upgrade their account to an A-List. This grants a number of privileges including viewing the site without ads, and the ability to browse the site anonymously.

Number of Members: 623,000

Cost: Silver Membership: 1 month $19.95

Online since: 1998

Alt.com is a premier online community for those who are in or are seeking an alternative sexual lifestyle or for those who just fantasize. Whatever kinky fetish turns you on, uniforms, BDSM, role playing, spanking or anything else that goes, Alt.com has profiles of singles, couples and groups in your area.

Number of Members: 4 Million

Cost: 1 month at $24.95

Online since: 2004

Fling is a personals site for singles and swingers looking for some no-strings adult fun. Joining is free of charge, and creating a profile takes just a few minutes. After joining, you can browse photo galleries of local women or men, and enjoy intimate video chat.

Number of Members: 12,000

Cost: 1 Month Silver Membership: $36.24

Online since: 2005

Sex Date Personals is exactly what it says - a personals site for liberated adults looking for discreet and intimate pleasures. You will find everything here, from married housewives looking for casual sex to swingers who do it all the time. The site is strictly for adults over 18 years.

Number of Members: 42,000

Cost: Monthly Membership: $24.97

Online since: 1997

SexyAds is one of the longest running adult personals sites and has had a presence on the Internet since 1997. An active user community with adult blogs and forums adds interest to the site, as well as photo and video profiles which can be conveniently searched using the tools available.

Number of Members: 22,000

Cost: 1 month $22.94

Online since: 1996

Gay Friendfinder is an international dating site where single gay men can meet other men for chat, dating, and romance. The site offers many ways of getting to know other members. Joining is totally free.

Number of Members: 211,000

Cost: Free (Premium features require payment)

Online since: 2006

Mingle2.com, previously known as JustSayHi.com is a free dating and matchmaking service where you can sign up, create a profile, and start meeting local single people looking for a date. Extra privileges can be gained by upgrading to MinglePlus, which requires payment.