Laois also learned the identity of their opponents next weekend.
Offaly recorded their first Leinster Senior Football Championship win since 2016 yesterday.
Despite a late comeback from Carlow, it finished 3-14 to 20 points in Bord na Móna O'Connor Park.
Niall McNamee, Jordan Hayes and Bernard Allen the goal scorers, with Allen top scoring with a tally of 1-4.
They advance to the face Kildare next Sunday at 5:30 in MW Hire O'Moore park in Portlaoise in a Leinster Quarter-final.
Another of the quarter-final ties will see Mike Quirke take his Laois footballers to face Longford next Sunday.
That's after Longford overcame Louth by 2 points yesterday.
Throw in for that one will be 1:30.
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Five Athlone Town Players Named In Team Of The Season
Westmeath SFC: Coralstown Kinnegad Manager Proud Of His Team's Efforts
13 Medals For Team Ireland At European U15 Championships
Offaly SFC: Agony For Ferbane Once Again
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Portlaoise Panthers Keep Up 100% Record
Laois SFC: Portarlington Make It Five Titles In Six Years
Enda Rowland Announces Reitrement From Inter-County Hurling
Buccaneers End Losing Streak With Away Win Against Enniscorthy
Offaly SFC: Three In A Row Secured For Tullamore
Westmeath SHC: Back To Back Titles For Castletown Geoghegan
Westmeath SHC: Ending Championship Drought On The Cards For Lough Lene Gaels
Laois SFC: Consistency The Message From Portarlington Manager
Portlaoise Panthers Aiming To Return To Winning Ways
Westmeath SHC: Castletown Geoghegan And Lough Lene Gaels Set For Bank Holiday Clash
Buccaneers Travel To Wexford In AIL This Weekend