Their ticket was one of six around the country that shared Saturday's $1 million Lotto jackpot.
The couple have kept the news to themselves.
"We haven't even told our kids yet – we want to think of a fun way to share the big news with them. Half the fun is coming up with ways to surprise them."
The couple said the win was only starting to sink now that the prize money was in their bank account.
"There are so many things we will be able to do now that we've won Lotto, but we'll continue to carry on as normal for now – the winning feeling hasn't yet settled in!
"We are going to take some time to enjoy the moment before we make any big decisions ... We are thinking we may treat ourselves to a trip overseas – and we'll fly business! It is something we have always wanted to do."
The couple said they would continue to buy Lotto tickets.