Waaia took hold of its grand final match-up against Katunga in the second quarter and never looked back to take the victory 53-36.
With the Bombers having finished top of the ladder, the Swans had been the only side to defeat them during the season.
But with no intention of letting Katunga in again, Waaia tore away in the second term as Sarah Taylor and Chloe Thorne combined for 13 goals.
The Swans had their chances to stay in touch, but threw away the ball inside attack allowing the Bombers to gradually build a lead.
Six goals behind at half-time, Katunga score quickly in periods, but Waaia always had the momentum for longer.
Summa Trimby and Gemma Thorne were brilliant for the premiers, ensuring plenty of ball was sent into the side’s goalers.
The moment the A-grade match concluded spectators surged to the adjacent court to the watch the thrilling final minutes of C-grade action.
With Waaia and Dookie United competing in both grades, interested onlookers cheered every goal as the match finished a draw at the end of regular time.
But once the extra period started, the Bombers were never in doubt of winning.
Having broken a centre pass to go three goals up, Waaia took a four-goal lead at the mid-way point of the additional time.
Continuing along in the same fashion for the final seven minutes of the game, the Bombers moved even further ahead to take the premiership 51-43.
The third Dookie United and Waaia match-up in the senior grades took place in C-reserve, with United winning its only premiership for the day.
In another tense encounter just two goals were the different at the final whistle, as Dookie fought back from a four-goal deficit at three-quarter-time.
The Bombers had led throughout the match as Jodie Daniel, Julia McCarty and Bernadette Caccianiga were solid in keeping United’s shooters quiet.
But for her performance when it counted most, United goaler Lyndal Shannon was awarded the best-on-court medal, having shot all of her side’s nine goals in the last quarter.
An extra-time thriller was contested in under-17s, with Rennie enjoying the premiership spoils 52-45.
Brylee McCarty was super in the victory against Tungamah, dominating in goal attack as she scored 38 goals for the match, including a stellar extra time performance.
Her efforts saw her claim most valuable player honours as she combined in attack with Lexie Nolen, Mya Bye and centre Catherine Shaw.
The Paula Mifka-coached side was defeated by the Bears in the semi-final, but used its second chance effectively to prevail in the most important game of the season.
Tungamah had been the dominant side all year and again showed its prowess on grand final day with an astounding 41-21 defeat of Shepparton East.
Having not dropped a game all season, the Bears already had a 17-goal lead at half-time.
Grace Whitelock, Ella Jones and Chloe Charnstrom formed a wall in defence, although the Eagles outscored the Bears by five goals in the third term.
But Tungamah again built on its lead in the final quarter in order to cap a perfect season.
Any team in the top three could have won the under-13s competition, but it was Waaia that held up after a gruelling finals series to stand on the premiership dais.
The Bombers finished third on the table, losing to Rennie in the semi-final, the team they would again face in the grand final.
After edging past Tungamah by three goals in the preliminary final, Waaia was too strong for the Grasshoppers on Saturday, taking the grand final 23-19.