1st XI
Leinster Senior League Cup
Cork County commenced their season in the Leinster Senior League Cup when they welcomed Clontarf to the Mardyke. It was a significant moment with the club missing out on Cricket Leinster action in 2020 due to the Covid public health emergency. The highlights of the campaign were certainly the 5 run victory away at Malahide and 25 run victory at home against Railway Union.
Premier Division T20 League
The Senior T20 competition changed in structure for 2021 and reverted to a round robin format due to the condensed nature of the season. Cork County were pipped at the post in their persuit of the sixth consecutive Premier T20 title, missing out on run rate to eventual winners Cork Harlequins.
Leinster Championship
Munster Premier Division
2nd XI
Division 1 T20 League
Cork County ended their trophy drought at 2nd XI level when they pipped Limerick Blasters to the Division 1 T20 League title. Finishing the season with an excellent Net Run Rate of +2.14, the Mardyke men clinched the title with a comprehensive victory in their final game away to Cork Harlequins 2.