They will face Graiguecullen in the semi-finals.
Portarlington made a big statement in their bid to retain the Laois Senior Football Championship.
Pat Roe's side ran out 2-24 to 1-7 winners over Arles Killeen on Saturday to set up a semi-final meeting with Graiguecullen.
The club are aiming to secure a five championship successes in six years.
Roe says his side still have improvements to make:
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