If you're thinking of doing a triathlon, Tri-alliance are the team to train with. They are experienced, friendly and give hands on instructions on how to improve your technique in the transitions and in each discipline
It's great value for money so try them even if you just want a group of people to train with. For $25 per week you can attend 3 sessions or for $35 you can attend as many sessions as you want. They have a morning and evening sessions each day of the week. Just pick a time and location that suits you.
Approximate cost: $25 per week