Garda Water Unit

Garda Water Unit conducting counter-terrorism maritime operations with the ERU on the River Liffey, Dublin

The Garda Water Unit (Irish: Aonad Uisce an Gharda Síochána) is a unit of the Garda Síochána, the police service of Ireland. Formerly known as the Garda Sub-Aqua Unit, the name was changed to incorporate the services of the non-diving surfaced based marine section.

It is part of the Operational Support Units which provides specialist support to Gardaí nationwide. The Operational Support Units also includes the Dog Support, Mounted Support and Air Support.