Rathgormack were the defending champions after they defeated Ballinacourty in the previous years final. However the defence of their title came undone at the penultimate stage when losing to Ballinacourty.[1]
This was St. Saviours' return to the senior grade after claiming the 2019 Waterford I.F.C. with a final victory over Mondeligo. This was their first year back in the top-flight of Waterford club football in 3 years since relegation at the end of the 2016 season.[2]
On 21 August 2021, Ballinacourty claimed their 7th Waterford S.F.C. crown when defeating Rathgormack in the final at Walsh Park.
The following teams have changed division since the 2019 championship season.
To S.F.C.
Promoted from 2019 Waterford I.F.C.
St. Saviour's - (Intermediate Champions)
From S.F.C.
Relegated to 2020 Waterford I.F.C.
Portlaw
Group stage
There are 4 groups called Group A, B, C and D. The top finisher in each group will qualify for the semi-finals. Each group was seeded to consist of one Semi-Finalist from 2019, one defeated Quarter-Finalist from 2019, and finally a team who failed to reach the quarter-finals in 2019.[7]