Seven beaches across the country have failed to meet minimum standards for water quality.
Five beaches labelled as 'poor' by the Environmental Protection Agency are in Dublin - Sandymount Strand is new to the 2017 list.
The other beaches which have failed in Co. Dublin are Merrion Strand, Loughshinny, Portrane and Rush South.
The other two are Ballyloughane in Galway city and Clifden in County Galway.
The 2017 report found:
A total of 93% of identified bathing waters (132 of 142) complied with EU minimum standards and were classified as achieving at least ‘Sufficient’ status.
Nearly three quarters of these bathing waters (102 of 142, 71.8%) were classified as ‘Excellent’.
A further 18 (12.7%) were classified as ‘Good’.
12 bathing areas (7.1%) were classified as being of ‘Sufficient’ water quality but remain at risk of episodic pollution events.
7 bathing waters (4.9%) failed to meet the minimum required standard and were classified as being of ‘Poor’ quality.