There are very few swingers under 30, so that's something to consider. Since you're open to playing with much older couples and singles, you'll probably be fine (although you'll be too young for a lot of people), but if not, you'll have to do what my boyfriend and I did at that age, which was to fuck our friends.
In order for a hot date to be successful, you'll need a decent profile with photos and a well written invitation to come play with you.

