Receiving a rockstar welcome at the local Lilli Pilli primary school in his electorate of Cook, Mr Morrison lauded the community that has installed him in parliament since 2007.
"I love this community. This community has given me so many opportunities and our family, so many opportunities and I'm very grateful to my local electorate," he told reporters and supporters on Saturday.
"It's just such an honour to be able to represent the local electorate of Cook, it has been an incredible honour to do that. I look forward to continuing to do it after today especially as we go to the polls."
But not all locals were as welcoming in the Liberal heartland, criticising the prime minister for being parachuted into the electorate from the eastern suburbs in 2007.
"He can go back to Bronte, he pretends he's from the shire but he's not, he's a parachute. We remember," one local said.
"The problem is we have so many beautiful beaches and parks here and he doesn't (care) about the environment, otherwise he wouldn't vote with who he votes with."
Labor volunteers were also more buoyed by the turnout despite Mr Morrison holding the seat in 2019 on a 19 per cent margin and a more than five per cent swing to him in his primary vote.
One volunteer told AAP they had handed out significantly more how to vote cards than the previous election, and minor parties were also increasingly popular at the polling booth.
In his final pitch to voters, the prime minister reiterated his economic credentials and implored Australians to vote for an experienced government in uncertain times.
"What Australia needs is someone who knows how to manage money, knows how to deal with our national security interests, knows how to be able to move forward and secure that strong economy," he said.
"Because a strong economy means a stronger future."
Other Liberals were less optimistic on Saturday, with former defence minister Christopher Pine seemingly all but resigned to defeat in the polls.
"It's going to be one of those days for the Liberal Party," he told Sky News.
"We'll win some new seats, we'll lose a few seats. Labor will probably form government.
"But you never want to say never when Scott Morrison is involved."
Mr Morrison started the day north of Melbourne, in the marginal seat of McEwen, handing out how-to-vote cards with candidate Richard Welch at Laurimar Primary School.
The prime minister and his wife Jenny received stems of eucalyptus leaves from elder Ian Hunter and Mr Morrison lauded Mr Welch's standing in the community.
"If you get that opportunity today, you'll be an outstanding member of parliament," he said.
"This community needs someone who understands how it's growing."
While some supporters took selfies with the prime minister, some voters did not seem to notice his presence, walking past him in silence after grabbing the how-to-vote card.
His main pitch during the final week of campaigning has been centred around urging voters to consider the future housing needs of their children.
Traversing four housing estates in four states over five days, the prime minister sought to contrast the housing and economic policies of the coalition and Labor.
"Now only a vote for the Liberals and Nationals will enable you or your kids to have the opportunity to access their superannuation to buy their own home," he said.
"Labor will never let you do it."
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