The pair got intimate under the sheets in The Hideaway after being chosen by their fellow islanders to spend the night alone together.
Earlier that day Eyal, 22, and Megan had enjoyed a romantic date wine tasting as they discovered their feelings for each other were genuine.
And after partying with their islanders to celebrate the arrival of new boy Sam Bird the pair disappeared to The Hideaway.
Viewers saw Eyal and Megan, 24, passionately kissing in bed before going under the sheets at the end of last night’s episode.
Eyal’s foot was the only major giveaway as it curled up with pleasure from underneath the covers.
While getting ready for their night together Megan joked that her naughty side may come out during their time away from the communal bedroom.
And she wasn’t wrong as the couple took full advantage of being away from the rest of the villa.
The pair will tell the rest of their islanders about their saucy night in tonight's episode of the show, where one star will also be dumped from the series.
Laura Anderson and Wes Nelson also admitted to "doing bits" with each other while Rosie Williams gave Adam Collard a sexual act earlier this week.
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In tonight's episode the male islanders will chose the girls they want to couple up with, which will see one of them dumped from the villa.
Samira Mighty and Rosie could be the girls most at risk as they are still single although new arrival Sam has shown interest in them both.
Last week Hayley Hughes and Charlie Frederick became the first couple to be dumped from the villa while Kendall-Rae Knight was booted out after a few days.