The Sharks were in hot water over the weekend when they met the Pirates at Old Bar for round 14 of group 3 rugby league.
The home side proved too strong for Port Macquarie, winning 18 points to 16.
The Pirates will now take on the Mustangs in the Preliminary Semi-Final.
In other games, Forster-Tuncurry defeated the minor premiership winners by two, Macleay Valley thrashed Taree and Port City beat Wingham 34-28.
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