Contestants were asked to complete a challenge called 'Every Hole's a Goal', whereby competitors would have to kick a soccer ball, which had particular body part written on it, and attempt to kick in through an image of another contestants mouth.
Whichever face the ball landed in, the contestant would have to 'lick' the body part written on that soccer ball.
Tayla Damir got hot and heavy with her partner Grant Crapp after kicking into his goal with the ball labelled 'thigh.'
She wasn't shy about getting raunchy in front of the others as she kissed his upper thigh in front of the other contestants.
Another strong couple, Erin Barnett and Eden Dablly, were keen to show off their love for each other during the X-rated game.
The petite blonde raised eyebrows as she excitedly slid her tongue up and down his Eden's abs.
This isn't the first time the show has caused a stir.
Love Island Australia contestant Natasha Webster was 'dumped' from the island earlier this week, and has now spilled some of the show's sexy secrets.
Speaking to The Daily Telegraph, she revealed that two contestants slept together in the villa's main bedroom where everyone sleeps.
"They high-five each other after and do a big thumbs-up. Everybody knows when it is going to happen. It hasn't happened every night, though."
She continued: "By the way, they wouldn't mind me saying that, they are pretty open about it all."
Recently, eliminated contestant Kim Hartnett also revealed that the show's X-rated moments don't make it to our TV screens.
She said contestants were "100 percent" having sex inside the house.
She told news.com.au, "It’s pretty obvious for the audience to know which ones are doing it."
While she abstained from getting intimate with Josh in their bed, Kim revealed there was one unnamed couple who were very vocal about their sexual exploits.
"I think the first night they did it they full-on had an audience, everyone was sitting up and watching them," Kim told the publication.
"Then it just got to the point where you were used to it. It was kind of like a bedtime lullaby, if they didn’t do it you’d be like, ‘what’s going on?’"