"Quite a few came in especially to get their last supper," she said.
"It was a busy long weekend too with lots of sports on. It was flat stick. There were queues of people. They had bottles of wine and flowers."
They were so busy, they had to put the closed sign up early, about 9pm on Sunday, because they ran out of food.
The Rotorua Daily Post broke the news to most of the customers on Saturday, prompting nearly 100 comments the Rotorua Daily Post Facebook page from people wishing them well.
She said one special customer popped in to say goodbye - a man who had gone to King Size every year for the past 25 years on February 14 - his wedding day and Ms Abbott's birthday - for a lime thick shake.
"He is a collector of things and he wanted to know if I had some memorabilia of the place he could have so I found a laminated certificate of when we got highly commended in the best chips competition. He said he would treasure that."
She said he and his wife were sad the takeaways would close but were happy for them in their retirement.
The building's landlord could not be reached for comment and it is unknown what will replace the takeaways.
Tony Betti from Remax-One in Tauranga said the building, which included the neighbouring former massage parlour and a shooting gallery business at the rear, was for sale.
He said it was currently under contract but he wasn't sure what the potential new owner's plans were.