It boasts one of the country's largest number of teams in total throughout all age groups.

The United name was kept and applied to the team competing in the top division of the Leinster Senior League.

[1] The club reached the preliminary round of the 2017 FAI Cup, losing 0–3 at home to Sheriff YC.

In 2019, Greystones was featured in an episode of BetVictor's Training SOS programme with Liverpool F.C.

Within the Wicklow League, Greystones have a rivalry with Newtown United.