Beaches is, as far as I can judge the best option of all backpacker hostels in Airlie Beach as it is super centric (right next to the lagoon and all major shopping and going out facilities) and possesses of a chilled out hammock area as well as its own bar/restaurant with different activities, live music and party every night.
Staff is super nice and comforting, our room was huge and clean (but not very cozy though) and you even get 50% on the meal deal every night (which means a meal + a drink for only $7.50!).
The kitchen can be a little crowded when it's busy and at night it can get a little loud if youre staying in one of the rooms next to the bar.
Would definitely come here again :)