Age: From 18-35, with a mature dating site for those aged 40-plus at mature.
Advantages: Members' photographs are not open for public viewing and a member decides if and when someone sees them. Cost: €49.90 for a month's membership or €29.90pm for three.
Advantages: It's one of the few sites with a larger male membership, at 41pc female and 59pc male.
You can subscribe for one, three or six months, with prices starting at €29.90 a month (three months for €59.70; six months for €77.40).
description: A sister company of match.ie, this English-based site suggests compatible matches based on the results of an in-depth affinity questionnaire.
Premium members can subscribe for additional features when they want to meet someone, or at the point of exchange of personal contact details, with prices starting at €19.95 monthly, €49.95 quarterly and €129 annually.
description: It is a friendly, light-hearted and informal site. Advantages: The site boasts more than 200 marriages, and thousands more relationships each year. Disadvantages: It does not have a lot of features and has a predominantly Dublin-based customer base.
You can choose from different intentions on this site including a relationship, casual dating and finding someone to marry.
Disadvantages: Awash with time wasters and internet-dating junkies whose hobby is roaming online dating agencies, but who never want to go on a date. Remember, people who are paying for an online dating service are going to take it more seriously.
The site is very easy to use and has been praised for its user-friendly design.
Cost: It is free to view profiles and message people.