Allan Moore offered the 26-year-old the chance to step up to full-time football last term after three seasons playing part-time with Albion Rovers.
Gaston grabbed the opportunity with both hands, going on to make 42 starts between the sticks as he established himself as the undisputed top keeper at the club.
And when manager Moore put a new deal in front of him to tie him to the Ton for the 2013/14 campaign, the imposing 6ft 3in keeper signed without hesitation.
Gaston told the Tele: "It's brilliant to be staying at Morton and to get
things done and dusted early so things aren't dragging on through the summer.
"I enjoyed it so much last season that as soon as I was offered a new deal there wasn't much to think about.
"I wasn't going to consider any other clubs. I'm happy here, and as soon as the manager offered me the deal I knew it was right to sign it. It was an easy decision for me, a no-brainer."
Like David O'Brien and Archie Campbell, Gaston, who still works one shift a week as a lifeguard at the Time Capsule in Coatbridge, has put pen to paper on a one-year contract.
He added: "It's a one-year deal and with the way football is going, you've got to be grateful to be offered a deal at all, never mind worrying about the length of it.
"The amount of players, and good players at that, you read about getting released is unbelievable, so you've got to be delighted to be offered something.
"I made 42 starts last season but you can never be too confident you'll get a new contract.
"You never know if the manager has other options or if he has a cheaper option. I did feel as if I maybe did well enough to get a new contract but you just never know.
"It was a brilliant season, much better than I actually expected when I first signed - because when I signed I was second-choice goalkeeper behind Alan Combe.
"On a personal level I came here with hope more than expectation.
"I certainly wasn't expecting to play as much as I did. I was hoping to get maybe 15 games to try and prove myself.
"Luckily for me I managed to get a lot more than that, so I can't complain with the season that I had, especially with it being quite a successful season,
and us challenging at the top for so long.
"It'll be difficult but hopefully we can do the same again next season but maybe go one better and win the league."