It was meant to be the best day of their lives, but a newlywed couple have been left reeling after six guests tested positive for coronavirus after attending their wedding earlier this month.

Key points: NSW Health revealed six guests at the wedding contracted coronavirus

NSW Health revealed six guests at the wedding contracted coronavirus The ABC understands the couple was disappointed the name of the venue was revealed

The ABC understands the couple was disappointed the name of the venue was revealed Tumbling Waters Retreat said the publicity had done damage to its business

Scott Maggs and Emma Metcalf celebrated their nuptials at the Tumbling Waters Retreat at Stanwell Tops in the NSW Illawarra on March 6.

NSW chief health officer Dr Kerry Chant yesterday revealed there were six confirmed cases of coronavirus among wedding guests at the venue and "close contacts are being followed up for investigation".

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The owner of the Tumbling Waters Retreat, Sonya Keller, said her business had been damaged by the revelation which came without any warning from NSW Health.

The ABC understands the couple is surprised and disappointed the venue was publicly named.

In a social media post on Friday from his honeymoon in the Maldives, Mr Maggs told followers the couple had learned two of their guests had tested positive to COVID-19.

"We didn't expect this to be one of our bomboniere gifts," he wrote.

Mr Maggs who is the founder of the charity Beard Season, which raises awareness of skin cancer, assured followers that at that point their guests who had flown in from overseas were "all in good health and doing superbly".

"Also all of the elders are doing well and have not shown any symptoms," Mr Maggs wrote in the post.

"During these times we must always act with empathy and in positive, kind spirit.

"Em and I hope you're all doing well, staying safe and looking after each other."

The bride on her wedding day. ( Instagram: @sunnyangela )

Ms Keller said she had been unaware of the coronavirus cases at her venue until earlier today, when the bride contacted her by text to say some of the guests had tested positive.

The revelation during a NSW Health media conference had come as a surprise to Ms Keller.

"[The bride and groom] said we should have surely been contacted by NSW Health if there was an issue … nothing at all," she said.

"Well as far as I know, all of my staff are well and of course, we are concerned, like everybody.

"It's an unknown thing and we can take measures now that we know about it from the media."

In a social media post, Tumbling Waters Retreat wrote that following media reports about the infections, NSW Health had contacted the venue to assure them none of their guests had been contagious at the time of the wedding.

"Please can you spread the word, as you can imagine the damage this has done to our business."