Match offers a free sign-up and seach with limited contact functions however if you are serious about finding that special someone on match; in practical terms you will have to pay a monthly fee (something in the order of depending on length of term).
The sign-up process on Oasis Active Australia also requires members to choose from a set of multiple choice selections that best outline their ideal partner or companion.
If they are locals it is easy to establish their credentials this will minimize the risk of being scammed because believe me they are out there.
Oasis Active, Match, RSVP, e Harmony, POF they are all very good sites with well thought through features to help in your quest for a partner, date or even a friend.
How you approach it, the people you search for, chat with and possibly meet depends on you.
Do not be too critical of the site if you have a bad or boring experience.
Most appear willing to put the time in setting-up quality profile and frequently check mail and available online.