Get a room! MAFS' Gia Fleur and Scott McCristal can't keep their hands off each other during raunchy beach break

They couldn't keep their hands off each other.

Married At First Sight newlyweds Gia Fleur and Scott McCristal were spotted packing on the PDA during a sun-soaked beach day in Sydney, proving their red-hot chemistry extends well beyond the dinner party table.

The loved-up couple made the most of a filming break from the Channel Nine experiment ahead of Sunday's Commitment Ceremony, stripping down to their swimwear and enjoying a romantic afternoon by the ocean.

Gia, 35, flaunted her gym-toned figure in a barely-there yellow bikini adorned with black shell details, which highlighted her ample cleavage and intricate tattoos.

She accessorised with layered gold necklaces, stacked bracelets and oversized designer sunglasses, at one point shielding her face beneath a white LA baseball cap as she lounged on a towel.

Scott, 32, showcased his muscular physique and extensive chest and arm tattoos in a pair of green striped swim shorts, completing his beach look with dark sunglasses and a silver chain necklace.

In one steamy moment, the pair were seen lying on the sand as Gia leaned over her husband for a passionate kiss, the couple oblivious to onlookers as they embraced.

Another snap captured the duo strolling hand-in-hand through the surf, looking every bit the picture-perfect reality TV couple as waves crashed behind them.

They later sprawled out on their towels, laughing and snapping selfies together on Gia's phone, before sharing another intimate smooch in full view of the beach.

The affectionate outing comes after Gia raised eyebrows when she brazenly bragged about her sex life with Scott.

'It was an instant connection between me and Scott. We didn't want to have sex straight away, so we waited until day four,' Gia proudly told her co-stars.

'We tried to hold off but we couldn't! I feel like I have known him for a year.'

Her comments sparked a fiery clash with fellow bride Bec Zacharia, who appeared visibly irritated as Gia gushed about her bedroom antics.

'Shut up! She feels like her relationship is so good right now and she is in this dream place. Like, I am really happy for her that she had good sex, but to see her with that massive smile on her face… shush! Like, read the room,' Bec vented to producers.

The tension escalated when the brides began competing over whose honeymoon was superior, with Bec boasting about her week in Fiji while Gia and Scott revealed they travelled to Townsville.

'Gia and Scott went to Townsville… Not Fiji! I'm sure they had a nice time though,' Bec quipped.

A furious Gia later fired back.

'Bec is yuck! Like what is your f***ing problem? It was just rude, she is rude!' she said.

'You know what, Townsville was lovely. And it seems we got on better than you and your man!'

Despite the drama, these latest photos suggest Gia and Scott's bond remains unshakeable.

In a previous chat with Daily Mail, Gia described their connection as electric from the outset.

'It was an instant connection,' she said.

'We tried to hold off but we couldn't.'

Scott has also made no secret of how smitten he is with his bride, with insiders revealing the pair have grown even closer since moving into their Sydney apartment together during filming.

'They are obsessed with each other,' a source close to production previously said.

'What you see on camera is very real. Off camera, they are even more affectionate.'

From supermarket runs to sandy snuggles, Gia and Scott appear determined to prove their romance is more than just a storyline.