Mark McHugh's side claimed the opening two points of the campaign.
Westmeath secured their first victory of the season in Division Three of the National Football League.
Shane Corcoran kicked a late point to claim a 2-14 to 1-16 win at home to Sligo to earn the Lake County their first two points of the season.
Jonathan Lynam impressed with two first half goals, while Luke Loughlin kicked 0-5 and Danny McCartan finished with 0-3.
Attention now turns to the clash away to Clare this weekend.
McHugh says he's delighted with how side closed the game out:
Gerry Russell spoke to Mark McHugh after the game in Cusack Park:
Full Interview: Portarlington Footballer Ronan Coffey
St Brigid's And St Joseph's Aiming To Reach Leinster Semi-Finals
Ballinagar And Milltown To Meet In Leinster Intermediate Quarter-Final
Ronan Coffey Praises Portarlington’s Young Guns Ahead Of Leinster Quarter-Final
Mauricio Pochettino Set To Be Appointed Manchester United Manager
Darragh Murray Named In Irish Squad For Fiji Clash
Portlaoise Panthers Aiming To Bounce Back In Division One
Portarlington On The Road In Leinster
The Down's Building Towards Leinster Football Quarter-Final
Laois Provisional League Fixtures Revealed
The Harps Manager Praises His Sides Efforts In Leinster
Buccaneers Claim Back To Back AIL Wins
Kilcormac Killoughey Captain Full Of Praise For Goalkeeper
Lough Lene Gaels Suffer Late Heartbreak In Leinster Quarter-Final
Crookedwood Win Leinster Junior Camogie Title
Conor Slevin Wins Dramatic Leinster Quarter-Final For Kilcormac Killoughey
Ireland Secure Comfortable Win Over Argentina
Kilcormac Killoughey Seal Win But Heartbreak For Lough Lene Gaels And The Harps