Browse Sites by Regions : United States

Number of Members: 466,000

Cost: Not Available

Online since: 2009

Are You Interested works with Facebook and mobile/cell phone platforms such as the iPhone. You can link to your Facebook account and receive matches. Or receive matches on the go, directly on your mobile device. You’re in complete control of your dating experience on this site.

Number of Members: 18,000

Cost: Silver Membership: 1 Month $19.36

Online since: 2010

Nostringsattached.com is ideal for those looking for casual dating hook-ups, exciting romance or an affair. The site belongs to the Friendfinder dating network, and offers a discreet and secure place for those looking for something a little more adventurous than the average dating service. The site offers a free standard membership.

Number of Members: 23,000

Cost: 1 Month - $29.95

Online since: 2007

BDSM Singles is a fetish dating site, with a loyal community of kinky, BDSM women and men seeking to explore their darker fantasies. This site has interest groups of all kinds and flavors. Register for free and connect with other fetish singles who love the alternative lifestyle that BDSM dating can bring.

Number of Members: 10,000

Cost: From $39.95

Online since: 1997

A website where you can chat with fun young women and men in your area. Friendsearch.com is free to join, you can browse, post a photo and meet others for love, dating, friendship or chat.

Number of Members: 13,000

Cost: 1 Month - $24.95

Online since: 2003

EquestrianSingles is community for horse lovers. The site has photo personals, chat rooms, user forums and a classified ads section. Free members can create a profile, upload pictures and use the forums. Premium membership (from $24.95 p/month) is required to email other members.

Number of Members: 13,000

Cost: 3 Months $29.95

Online since: 2001

This site exists to bring together large men and women, with their admirers. As well as bringing people together for romance, the site also acts as a supportive network of friends. Newcomers can read the FAQ to find out how the site works. Dating advice and tips are also available.

Number of Members: 21,000

Cost: From $39.95 p/month

Online since: 2003

A dating site for meeting bisexual men, women and couples. Whether you are just curios or seeking a partner for a sexual encounter, BiCupid will satisfy your needs. It takes just a few moments to create a free profile, and you can start chatting online with bisexual girls and guys in your area.

Number of Members: 105,000

Cost: Rookie - $39.50 p/mo

Online since: 2003

Fitness Singles is an online dating community for sports and fitness enthusiasts or those who want to meet them. Members list their sporting activities and level or proficiency in each, and can "match-up" with others who share similar interests.

Number of Members: 8,000

Cost: $32.95 per month

Online since: 2003

Jewish Café, also known as Jewish Dating Café is a Jewish dating service themed as a coffee house. New members are granted 14-days free access, after which the account expires unless the member upgrades. Prices start at $32.95 per month.

Number of Members: 270,000

Cost: From $49.95 per month

Online since: 2002

This site tends to attract people seeking casual dating and online chat rather than committed relationships. It is one of the most active dating sites in the US, and claims to have around 20 Million users. However the true number is likely to be significantly less. A trial membership is available at USD$ 1.95 for 3 days.