Sandymount is an affluent coastal suburb in the Dublin 4 district on the Southside of Dublin in Ireland. Sandymount is located between 3 and 4 km south-east of Dublin's city centre. At the northern end it begins where Newbridge Avenue meets Herbert Road, running to Church Avenue at the coast, west along the DART rail line, and south to Merrion Gates. Sandymount Promenade runs along the coast road (Strand Road) from Sandymount Strand, down to Merrion Gates. It lies a little south of the Great South Wall in Dublin Bay.